20320313102 has 16 divisors (see below), whose sum is σ = 32405819040. Its totient is φ = 9535043232.

The previous prime is 20320313099. The next prime is 20320313131. The reversal of 20320313102 is 20131302302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4164977 + ... + 4169852.

It is an arithmetic number, because the mean of its divisors is an integer number (2025363690).

Almost surely, 2^20320313102 is an apocalyptic number.

20320313102 is a deficient number, since it is larger than the sum of its proper divisors (12085505938).

20320313102 is a wasteful number, since it uses less digits than its factorization.

20320313102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334907.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20320313102 its reverse (20131302302), we get a palindrome (40451615404).

The spelling of 20320313102 in words is "twenty billion, three hundred twenty million, three hundred thirteen thousand, one hundred two".