20355013102 has 16 divisors (see below), whose sum is σ = 30869798400. Its totient is φ = 10065693528.

The previous prime is 20355013099. The next prime is 20355013123. The reversal of 20355013102 is 20131055302.

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, 86658 + ... + 219589.

It is an arithmetic number, because the mean of its divisors is an integer number (1929362400).

Almost surely, 2^20355013102 is an apocalyptic number.

20355013102 is a deficient number, since it is larger than the sum of its proper divisors (10514785298).

20355013102 is a wasteful number, since it uses less digits than its factorization.

20355013102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306615.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 20355013102 its reverse (20131055302), we get a palindrome (40486068404).

The spelling of 20355013102 in words is "twenty billion, three hundred fifty-five million, thirteen thousand, one hundred two".