20135853102 has 64 divisors (see below), whose sum is σ = 43259443200. Its totient is φ = 6231988224.

The previous prime is 20135853097. The next prime is 20135853103.

20135853102 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20135853102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135853103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2288203 + ... + 2296985.

It is an arithmetic number, because the mean of its divisors is an integer number (675928800).

Almost surely, 2^20135853102 is an apocalyptic number.

20135853102 is an abundant number, since it is smaller than the sum of its proper divisors (23123590098).

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

20135853102 is a wasteful number, since it uses less digits than its factorization.

20135853102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9297.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 20135853102 in words is "twenty billion, one hundred thirty-five million, eight hundred fifty-three thousand, one hundred two".