2331210100020 has 48 divisors (see below), whose sum is σ = 6529796477568. Its totient is φ = 621426674560.

The previous prime is 2331210099997. The next prime is 2331210100069. The reversal of 2331210100020 is 200010121332.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7003239 + ... + 7328558.

It is an arithmetic number, because the mean of its divisors is an integer number (136037426616).

Almost surely, 2^{2331210100020} is an apocalyptic number.

2331210100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331210100020 is an abundant number, since it is smaller than the sum of its proper divisors (4198586377548).

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

2331210100020 is a wasteful number, since it uses less digits than its factorization.

2331210100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14334520 (or 14334518 counting only the distinct ones).

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

Adding to 2331210100020 its reverse (200010121332), we get a palindrome (2531220221352).

The spelling of 2331210100020 in words is "two trillion, three hundred thirty-one billion, two hundred ten million, one hundred thousand, twenty".