20931000302 has 16 divisors (see below), whose sum is σ = 32240788992. Its totient is φ = 10187180640.

The previous prime is 20931000301. The next prime is 20931000353. The reversal of 20931000302 is 20300013902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20931000301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763949 + ... + 790872.

It is an arithmetic number, because the mean of its divisors is an integer number (2015049312).

Almost surely, 2^20931000302 is an apocalyptic number.

20931000302 is a deficient number, since it is larger than the sum of its proper divisors (11309788690).

20931000302 is a wasteful number, since it uses less digits than its factorization.

20931000302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555003.

The product of its (nonzero) digits is 324, while the sum is 20.

The spelling of 20931000302 in words is "twenty billion, nine hundred thirty-one million, three hundred two", and thus it is an aban number.