20404112313102 has 64 divisors (see below), whose sum is σ = 49096269626880. Its totient is φ = 5522504904576.

The previous prime is 20404112313071. The next prime is 20404112313203. The reversal of 20404112313102 is 20131321140402.

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, 9806028 + ... + 11703264.

It is an arithmetic number, because the mean of its divisors is an integer number (767129212920).

Almost surely, 2^{20404112313102} is an apocalyptic number.

20404112313102 is an abundant number, since it is smaller than the sum of its proper divisors (28692157313778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20404112313102 is a wasteful number, since it uses less digits than its factorization.

20404112313102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910745.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20404112313102 its reverse (20131321140402), we get a palindrome (40535433453504).

The spelling of 20404112313102 in words is "twenty trillion, four hundred four billion, one hundred twelve million, three hundred thirteen thousand, one hundred two".