20331203213120 has 28 divisors (see below), whose sum is σ = 48413677652004. Its totient is φ = 8132481285120.

The previous prime is 20331203213119. The next prime is 20331203213131. The reversal of 20331203213120 is 2131230213302.

It can be written as a sum of positive squares in 2 ways, for example, as 4166236170496 + 16164967042624 = 2041136^2 + 4020568^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31767504701 + ... + 31767505340.

It is an arithmetic number, because the mean of its divisors is an integer number (1729059916143).

Almost surely, 2^{20331203213120} is an apocalyptic number.

20331203213120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331203213120 is an abundant number, since it is smaller than the sum of its proper divisors (28082474438884).

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

20331203213120 is an equidigital number, since it uses as much as digits as its factorization.

20331203213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63535010058 (or 63535010048 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20331203213120 its reverse (2131230213302), we get a palindrome (22462433426422).

The spelling of 20331203213120 in words is "twenty trillion, three hundred thirty-one billion, two hundred three million, two hundred thirteen thousand, one hundred twenty".