20102022002120 has 16 divisors (see below), whose sum is σ = 45229549504860. Its totient is φ = 8040808800832.

The previous prime is 20102022002093. The next prime is 20102022002129. The reversal of 20102022002120 is 2120022020102.

It can be written as a sum of positive squares in 2 ways, for example, as 18844784559364 + 1257237442756 = 4341058^2 + 1121266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20102022002095 and 20102022002104.

It is not an unprimeable number, because it can be changed into a prime (20102022002129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251275274987 + ... + 251275275066.

Almost surely, 2^{20102022002120} is an apocalyptic number.

20102022002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102022002120 is an abundant number, since it is smaller than the sum of its proper divisors (25127527502740).

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

20102022002120 is a wasteful number, since it uses less digits than its factorization.

20102022002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502550550064 (or 502550550060 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20102022002120 its reverse (2120022020102), we get a palindrome (22222044022222).

The spelling of 20102022002120 in words is "twenty trillion, one hundred two billion, twenty-two million, two thousand, one hundred twenty".