203320044102 has 64 divisors (see below), whose sum is σ = 466119295488. Its totient is φ = 57918240000.

The previous prime is 203320044089. The next prime is 203320044119. The reversal of 203320044102 is 201440023302.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 20718777 + ... + 20728587.

It is an arithmetic number, because the mean of its divisors is an integer number (7283113992).

Almost surely, 2^203320044102 is an apocalyptic number.

203320044102 is an abundant number, since it is smaller than the sum of its proper divisors (262799251386).

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

203320044102 is a wasteful number, since it uses less digits than its factorization.

203320044102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11245.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 203320044102 its reverse (201440023302), we get a palindrome (404760067404).

The spelling of 203320044102 in words is "two hundred three billion, three hundred twenty million, forty-four thousand, one hundred two".