32015540020 has 48 divisors (see below), whose sum is σ = 71223183360. Its totient is φ = 12046866944.

The previous prime is 32015540017. The next prime is 32015540021. The reversal of 32015540020 is 2004551023.

It is a junction number, because it is equal to n+sod(n) for n = 32015539973 and 32015540000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32015540021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687021 + ... + 732139.

It is an arithmetic number, because the mean of its divisors is an integer number (1483816320).

Almost surely, 2^32015540020 is an apocalyptic number.

It is an amenable number.

32015540020 is an abundant number, since it is smaller than the sum of its proper divisors (39207643340).

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

32015540020 is a wasteful number, since it uses less digits than its factorization.

32015540020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47232 (or 47230 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 32015540020 in words is "thirty-two billion, fifteen million, five hundred forty thousand, twenty".