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32013443020 = 22513509241903
BaseRepresentation
bin11101110100001001…
…100101111111001100
310001122001221101221211
4131310021211333030
51011030420134040
622412355104204
72212215530056
oct356411457714
9101561841854
1032013443020
1112638832629
1262552a2064
1330325681c0
141799a028d6
15c757948ea
hex774265fcc

32013443020 has 48 divisors (see below), whose sum is σ = 72542171520. Its totient is φ = 11797076736.

The previous prime is 32013443017. The next prime is 32013443057. The reversal of 32013443020 is 2034431023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32013442982 and 32013443000.

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, 11389 + ... + 253291.

It is an arithmetic number, because the mean of its divisors is an integer number (1511295240).

Almost surely, 232013443020 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 32013443020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36271085760).

32013443020 is an abundant number, since it is smaller than the sum of its proper divisors (40528728500).

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

32013443020 is a wasteful number, since it uses less digits than its factorization.

32013443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242434 (or 242432 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 32013443020 its reverse (2034431023), we get a palindrome (34047874043).

The spelling of 32013443020 in words is "thirty-two billion, thirteen million, four hundred forty-three thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 509 1018 2036 2545 5090 6617 10180 13234 26468 33085 66170 132340 241903 483806 967612 1209515 2419030 3144739 4838060 6289478 12578956 15723695 31447390 62894780 123128627 246257254 492514508 615643135 1231286270 1600672151 2462572540 3201344302 6402688604 8003360755 16006721510 32013443020