20321031303122 has 32 divisors (see below), whose sum is σ = 33263594244864. Its totient is φ = 9233778153600.

The previous prime is 20321031303109. The next prime is 20321031303149. The reversal of 20321031303122 is 22130313012302.

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, 1422934622 + ... + 1422948902.

It is an arithmetic number, because the mean of its divisors is an integer number (1039487320152).

Almost surely, 2^{20321031303122} is an apocalyptic number.

20321031303122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20321031303122 is a deficient number, since it is larger than the sum of its proper divisors (12942562941742).

20321031303122 is a wasteful number, since it uses less digits than its factorization.

20321031303122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31154.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20321031303122 its reverse (22130313012302), we get a palindrome (42451344315424).

The spelling of 20321031303122 in words is "twenty trillion, three hundred twenty-one billion, thirty-one million, three hundred three thousand, one hundred twenty-two".