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20029967048 = 23713193374297
BaseRepresentation
bin10010101001111000…
…010000101011001000
31220200220220202022102
4102221320100223020
5312010132421143
613111315412532
71306234624250
oct225170205310
956626822272
1020029967048
118549437783
123a6bbb4148
131b7296a910
14d80286960
157c36da0b8
hex4a9e10ac8

20029967048 has 128 divisors (see below), whose sum is σ = 48811526400. Its totient is φ = 7482875904.

The previous prime is 20029967033. The next prime is 20029967063. The reversal of 20029967048 is 84076992002.

It is an interprime number because it is at equal distance from previous prime (20029967033) and next prime (20029967063).

It is a junction number, because it is equal to n+sod(n) for n = 20029966993 and 20029967011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4659236 + ... + 4663532.

It is an arithmetic number, because the mean of its divisors is an integer number (381340050).

Almost surely, 220029967048 is an apocalyptic number.

20029967048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20029967048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24405763200).

20029967048 is an abundant number, since it is smaller than the sum of its proper divisors (28781559352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20029967048 is a wasteful number, since it uses less digits than its factorization.

20029967048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679 (or 4675 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 20029967048 in words is "twenty billion, twenty-nine million, nine hundred sixty-seven thousand, forty-eight".

Divisors: 1 2 4 7 8 13 14 19 26 28 38 52 56 76 91 104 133 152 182 247 266 337 364 494 532 674 728 988 1064 1348 1729 1976 2359 2696 3458 4297 4381 4718 6403 6916 8594 8762 9436 12806 13832 17188 17524 18872 25612 30079 30667 34376 35048 44821 51224 55861 60158 61334 81643 83239 89642 111722 120316 122668 163286 166478 179284 223444 240632 245336 326572 332956 358568 391027 446888 571501 582673 653144 665912 782054 1061359 1143002 1165346 1448089 1564108 2122718 2286004 2330692 2896178 3128216 4245436 4572008 4661384 5792356 7429513 8490872 10136623 11584712 14859026 18825157 20273246 27513691 29718052 37650314 40546492 55027382 59436104 75300628 81092984 110054764 131776099 150601256 192595837 220109528 263552198 357677983 385191674 527104396 715355966 770383348 1054208792 1430711932 1540766696 2503745881 2861423864 5007491762 10014983524 20029967048