70020831902 has 16 divisors (see below), whose sum is σ = 120329207520. Its totient is φ = 29935554048.

The previous prime is 70020831857. The next prime is 70020831953. The reversal of 70020831902 is 20913802007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6108563 + ... + 6120014.

It is an arithmetic number, because the mean of its divisors is an integer number (7520575470).

Almost surely, 2^70020831902 is an apocalyptic number.

70020831902 is a deficient number, since it is larger than the sum of its proper divisors (50308375618).

70020831902 is a wasteful number, since it uses less digits than its factorization.

70020831902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12228995.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 70020831902 in words is "seventy billion, twenty million, eight hundred thirty-one thousand, nine hundred two".