20122131302 has 64 divisors (see below), whose sum is σ = 38927831040. Its totient is φ = 7582063104.

The previous prime is 20122131287. The next prime is 20122131347. The reversal of 20122131302 is 20313122102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 990398 + ... + 1010510.

It is an arithmetic number, because the mean of its divisors is an integer number (608247360).

Almost surely, 2^20122131302 is an apocalyptic number.

20122131302 is a deficient number, since it is larger than the sum of its proper divisors (18805699738).

20122131302 is a wasteful number, since it uses less digits than its factorization.

20122131302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20397.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20122131302 its reverse (20313122102), we get a palindrome (40435253404).

The spelling of 20122131302 in words is "twenty billion, one hundred twenty-two million, one hundred thirty-one thousand, three hundred two".