20631412102 has 16 divisors (see below), whose sum is σ = 35376878592. Its totient is φ = 8839847880.

The previous prime is 20631412069. The next prime is 20631412117. The reversal of 20631412102 is 20121413602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122838 + ... + 237385.

It is an arithmetic number, because the mean of its divisors is an integer number (2211054912).

Almost surely, 2^20631412102 is an apocalyptic number.

20631412102 is a deficient number, since it is larger than the sum of its proper divisors (14745466490).

20631412102 is a wasteful number, since it uses less digits than its factorization.

20631412102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364323.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20631412102 its reverse (20121413602), we get a palindrome (40752825704).

The spelling of 20631412102 in words is "twenty billion, six hundred thirty-one million, four hundred twelve thousand, one hundred two".