32131330020 has 96 divisors (see below), whose sum is σ = 101087481600. Its totient is φ = 8472068352.

The previous prime is 32131330003. The next prime is 32131330031. The reversal of 32131330020 is 2003313123.

32131330020 is a `hidden beast` number, since 32 + 1 + 313 + 300 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32131329975 and 32131330002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286224 + ... + 382343.

It is an arithmetic number, because the mean of its divisors is an integer number (1052994600).

Almost surely, 2^32131330020 is an apocalyptic number.

32131330020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32131330020 is an abundant number, since it is smaller than the sum of its proper divisors (68956151580).

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

32131330020 is a wasteful number, since it uses less digits than its factorization.

32131330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668674 (or 668666 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 32131330020 its reverse (2003313123), we get a palindrome (34134643143).

The spelling of 32131330020 in words is "thirty-two billion, one hundred thirty-one million, three hundred thirty thousand, twenty".