20131604610 has 32 divisors (see below), whose sum is σ = 52032456000. Its totient is φ = 4955471808.

The previous prime is 20131604579. The next prime is 20131604639. The reversal of 20131604610 is 1640613102.

It is a Curzon number.

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, 25809360 + ... + 25810139.

It is an arithmetic number, because the mean of its divisors is an integer number (1626014250).

Almost surely, 2^20131604610 is an apocalyptic number.

20131604610 is an abundant number, since it is smaller than the sum of its proper divisors (31900851390).

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

20131604610 is a wasteful number, since it uses less digits than its factorization.

20131604610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51619522.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 20131604610 in words is "twenty billion, one hundred thirty-one million, six hundred four thousand, six hundred ten".