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20834760460 = 2251962038839
BaseRepresentation
bin10011011001110110…
…010011011100001100
31222210000021111022211
4103121312103130030
5320132144313320
613323225120204
71335206353603
oct233166233414
958700244284
1020834760460
1189217519a8
124055629064
131c7060b537
1410190dca3a
1581e1ac55a
hex4d9d9370c

20834760460 has 48 divisors (see below), whose sum is σ = 46068422400. Its totient is φ = 7893111744.

The previous prime is 20834760451. The next prime is 20834760467. The reversal of 20834760460 is 6406743802.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20834760467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2352721 + ... + 2361559.

It is an arithmetic number, because the mean of its divisors is an integer number (959758800).

Almost surely, 220834760460 is an apocalyptic number.

20834760460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20834760460 is an abundant number, since it is smaller than the sum of its proper divisors (25233661940).

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

20834760460 is a wasteful number, since it uses less digits than its factorization.

20834760460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15070 (or 15068 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 20834760460 in words is "twenty billion, eight hundred thirty-four million, seven hundred sixty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 6203 8839 12406 17678 24812 31015 35356 44195 62030 88390 117857 124060 167941 176780 235714 335882 471428 589285 671764 839705 1178570 1679410 2357140 3358820 54828317 109656634 219313268 274141585 548283170 1041738023 1096566340 2083476046 4166952092 5208690115 10417380230 20834760460