202122020120 has 32 divisors (see below), whose sum is σ = 459277272720. Its totient is φ = 80048323200.

The previous prime is 202122020119. The next prime is 202122020141. The reversal of 202122020120 is 21020221202.

It is a super-2 number, since 2×202122020120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202122020095 and 202122020104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25011062 + ... + 25019141.

Almost surely, 2^202122020120 is an apocalyptic number.

202122020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202122020120 is an abundant number, since it is smaller than the sum of its proper divisors (257155252600).

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

202122020120 is a wasteful number, since it uses less digits than its factorization.

202122020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50030315 (or 50030311 counting only the distinct ones).

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

Adding to 202122020120 its reverse (21020221202), we get a palindrome (223142241322).

The spelling of 202122020120 in words is "two hundred two billion, one hundred twenty-two million, twenty thousand, one hundred twenty".