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32120010020 = 2257359641997
BaseRepresentation
bin11101111010100000…
…000111010100100100
310001220111110120101202
4131322200013110210
51011240210310040
622431123142032
72214651403040
oct357240072444
9101814416352
1032120010020
11126929a9a2a
126284b14918
13304b66aab7
1417a9c23020
15c7ece5015
hex77a807524

32120010020 has 96 divisors (see below), whose sum is σ = 77501007360. Its totient is φ = 10953768960.

The previous prime is 32120009989. The next prime is 32120010029. The reversal of 32120010020 is 2001002123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32120009983 and 32120010010.

It is not an unprimeable number, because it can be changed into a prime (32120010029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32216162 + ... + 32217158.

It is an arithmetic number, because the mean of its divisors is an integer number (807302160).

Almost surely, 232120010020 is an apocalyptic number.

It is an amenable number.

32120010020 is an abundant number, since it is smaller than the sum of its proper divisors (45380997340).

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

32120010020 is a wasteful number, since it uses less digits than its factorization.

32120010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 32120010020 its reverse (2001002123), we get a palindrome (34121012143).

The spelling of 32120010020 in words is "thirty-two billion, one hundred twenty million, ten thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 359 641 718 997 1282 1436 1795 1994 2513 2564 3205 3590 3988 4487 4985 5026 6410 6979 7180 8974 9970 10052 12565 12820 13958 17948 19940 22435 25130 27916 34895 44870 50260 69790 89740 139580 230119 357923 460238 639077 715846 920476 1150595 1278154 1431692 1610833 1789615 2301190 2505461 2556308 3195385 3221666 3579230 4473539 4602380 5010922 6390770 6443332 7158460 8054165 8947078 10021844 12527305 12781540 16108330 17894156 22367695 25054610 32216660 44735390 50109220 89470780 229428643 458857286 917714572 1147143215 1606000501 2294286430 3212001002 4588572860 6424002004 8030002505 16060005010 32120010020