20302113102 has 16 divisors (see below), whose sum is σ = 40611152640. Its totient is φ = 6766216632.

The previous prime is 20302113101. The next prime is 20302113107. The reversal of 20302113102 is 20131120302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302113101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250102 + ... + 321177.

It is an arithmetic number, because the mean of its divisors is an integer number (2538197040).

Almost surely, 2^20302113102 is an apocalyptic number.

20302113102 is an abundant number, since it is smaller than the sum of its proper divisors (20309039538).

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

20302113102 is a wasteful number, since it uses less digits than its factorization.

20302113102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577207.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20302113102 its reverse (20131120302), we get a palindrome (40433233404).

The spelling of 20302113102 in words is "twenty billion, three hundred two million, one hundred thirteen thousand, one hundred two".