233321013100020 has 24 divisors (see below), whose sum is σ = 653298836680224. Its totient is φ = 62218936826656.

The previous prime is 233321013100013. The next prime is 233321013100051. The reversal of 233321013100020 is 20001310123332.

It is a self number, because there is not a number n which added to its sum of digits gives 233321013100020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944341775774 + ... + 1944341775893.

It is an arithmetic number, because the mean of its divisors is an integer number (27220784861676).

Almost surely, 2^{233321013100020} is an apocalyptic number.

233321013100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233321013100020 is an abundant number, since it is smaller than the sum of its proper divisors (419977823580204).

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

233321013100020 is a wasteful number, since it uses less digits than its factorization.

233321013100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888683551679 (or 3888683551677 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 233321013100020 its reverse (20001310123332), we get a palindrome (253322323223352).

The spelling of 233321013100020 in words is "two hundred thirty-three trillion, three hundred twenty-one billion, thirteen million, one hundred thousand, twenty".