20331301130120 has 16 divisors (see below), whose sum is σ = 45745427542860. Its totient is φ = 8132520452032.

The previous prime is 20331301130083. The next prime is 20331301130159. The reversal of 20331301130120 is 2103110313302.

It can be written as a sum of positive squares in 2 ways, for example, as 17891563344964 + 2439737785156 = 4229842^2 + 1561966^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20331301130092 and 20331301130101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254141264087 + ... + 254141264166.

Almost surely, 2^{20331301130120} is an apocalyptic number.

20331301130120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331301130120 is an abundant number, since it is smaller than the sum of its proper divisors (25414126412740).

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

20331301130120 is a wasteful number, since it uses less digits than its factorization.

20331301130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508282528264 (or 508282528260 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20331301130120 its reverse (2103110313302), we get a palindrome (22434411443422).

The spelling of 20331301130120 in words is "twenty trillion, three hundred thirty-one billion, three hundred one million, one hundred thirty thousand, one hundred twenty".