20210002020120 has 64 divisors (see below), whose sum is σ = 66141824797440. Its totient is φ = 4899394428800.

The previous prime is 20210002020113. The next prime is 20210002020127. The reversal of 20210002020120 is 2102020001202.

It is an interprime number because it is at equal distance from previous prime (20210002020113) and next prime (20210002020127).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20210002020096 and 20210002020105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210002020127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7655302476 + ... + 7655305115.

It is an arithmetic number, because the mean of its divisors is an integer number (1033466012460).

Almost surely, 2^{20210002020120} is an apocalyptic number.

20210002020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210002020120 is an abundant number, since it is smaller than the sum of its proper divisors (45931822777320).

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

20210002020120 is a wasteful number, since it uses less digits than its factorization.

20210002020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15310607616 (or 15310607612 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20210002020120 its reverse (2102020001202), we get a palindrome (22312022021322).

The spelling of 20210002020120 in words is "twenty trillion, two hundred ten billion, two million, twenty thousand, one hundred twenty".