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20882934432 = 253349948437
BaseRepresentation
bin10011011100101110…
…000100101010100000
31222220100220222121000
4103130232010222200
5320232012400212
613332105432000
71336333004523
oct233456045240
958810828530
1020882934432
1189469657a8
12406979b600
131c7a5a7749
14102167cbba
158235261dc
hex4dcb84aa0

20882934432 has 96 divisors (see below), whose sum is σ = 61031880000. Its totient is φ = 6946884864.

The previous prime is 20882934353. The next prime is 20882934451. The reversal of 20882934432 is 23443928802.

20882934432 is a `hidden beast` number, since 208 + 8 + 2 + 9 + 3 + 4 + 432 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×208829344322 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406918 + ... + 455354.

It is an arithmetic number, because the mean of its divisors is an integer number (635748750).

Almost surely, 220882934432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20882934432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30515940000).

20882934432 is an abundant number, since it is smaller than the sum of its proper divisors (40148945568).

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

20882934432 is a wasteful number, since it uses less digits than its factorization.

20882934432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48955 (or 48941 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 20882934432 in words is "twenty billion, eight hundred eighty-two million, nine hundred thirty-four thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 499 864 998 1497 1996 2994 3992 4491 5988 7984 8982 11976 13473 15968 17964 23952 26946 35928 47904 48437 53892 71856 96874 107784 143712 145311 193748 215568 290622 387496 431136 435933 581244 774992 871866 1162488 1307799 1549984 1743732 2324976 2615598 3487464 4649952 5231196 6974928 10462392 13949856 20924784 24170063 41849568 48340126 72510189 96680252 145020378 193360504 217530567 290040756 386721008 435061134 580081512 652591701 773442016 870122268 1160163024 1305183402 1740244536 2320326048 2610366804 3480489072 5220733608 6960978144 10441467216 20882934432