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20350450960 = 2457311172261
BaseRepresentation
bin10010111100111110…
…110011110100010000
31221112020222000120221
4102330332303310100
5313134203412320
613203204442424
71320205656550
oct227476636420
957466860527
1020350450960
1186a3332014
123b3b3a9414
131bc418b178
14db0a6d160
157e18e33aa
hex4bcfb3d10

20350450960 has 80 divisors (see below), whose sum is σ = 55818427392. Its totient is φ = 6752217600.

The previous prime is 20350450957. The next prime is 20350450963. The reversal of 20350450960 is 6905405302.

It is an interprime number because it is at equal distance from previous prime (20350450957) and next prime (20350450963).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (20350450963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568771 + ... + 603490.

Almost surely, 220350450960 is an apocalyptic number.

20350450960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20350450960 is an abundant number, since it is smaller than the sum of its proper divisors (35467976432).

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

20350450960 is a wasteful number, since it uses less digits than its factorization.

20350450960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172312 (or 1172306 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 20350450960 in words is "twenty billion, three hundred fifty million, four hundred fifty thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 31 35 40 56 62 70 80 112 124 140 155 217 248 280 310 434 496 560 620 868 1085 1240 1736 2170 2480 3472 4340 8680 17360 1172261 2344522 4689044 5861305 8205827 9378088 11722610 16411654 18756176 23445220 32823308 36340091 41029135 46890440 65646616 72680182 82058270 93780880 131293232 145360364 164116540 181700455 254380637 290720728 328233080 363400910 508761274 581441456 656466160 726801820 1017522548 1271903185 1453603640 2035045096 2543806370 2907207280 4070090192 5087612740 10175225480 20350450960