2120230331220 has 24 divisors (see below), whose sum is σ = 5936644927584. Its totient is φ = 565394754976.

The previous prime is 2120230331213. The next prime is 2120230331239. The reversal of 2120230331220 is 221330320212.

It is a happy number.

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, 17668586034 + ... + 17668586153.

It is an arithmetic number, because the mean of its divisors is an integer number (247360205316).

Almost surely, 2^{2120230331220} is an apocalyptic number.

2120230331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120230331220 is an abundant number, since it is smaller than the sum of its proper divisors (3816414596364).

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

2120230331220 is a wasteful number, since it uses less digits than its factorization.

2120230331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35337172199 (or 35337172197 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2120230331220 its reverse (221330320212), we get a palindrome (2341560651432).

The spelling of 2120230331220 in words is "two trillion, one hundred twenty billion, two hundred thirty million, three hundred thirty-one thousand, two hundred twenty".