202102310020120 has 64 divisors (see below), whose sum is σ = 462237215004000. Its totient is φ = 79510107832320.

The previous prime is 202102310020099. The next prime is 202102310020213. The reversal of 202102310020120 is 21020013201202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202102310020094 and 202102310020103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57105295 + ... + 60541054.

Almost surely, 2^{202102310020120} is an apocalyptic number.

202102310020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202102310020120 is an abundant number, since it is smaller than the sum of its proper divisors (260134904983880).

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

202102310020120 is a wasteful number, since it uses less digits than its factorization.

202102310020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117647068 (or 117647064 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 202102310020120 its reverse (21020013201202), we get a palindrome (223122323221322).

The spelling of 202102310020120 in words is "two hundred two trillion, one hundred two billion, three hundred ten million, twenty thousand, one hundred twenty".