20202002210120 has 32 divisors (see below), whose sum is σ = 45458504105400. Its totient is φ = 8080089927168.

The previous prime is 20202002210069. The next prime is 20202002210153. The reversal of 20202002210120 is 2101220020202.

It can be written as a sum of positive squares in 4 ways, for example, as 18970537048324 + 1231465161796 = 4355518^2 + 1109714^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20202002210095 and 20202002210104.

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, 21756959 + ... + 22666478.

Almost surely, 2^{20202002210120} is an apocalyptic number.

20202002210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202002210120 is an abundant number, since it is smaller than the sum of its proper divisors (25256501895280).

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

20202002210120 is a wasteful number, since it uses less digits than its factorization.

20202002210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44434817 (or 44434813 counting only the distinct ones).

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

Adding to 20202002210120 its reverse (2101220020202), we get a palindrome (22303222230322).

The spelling of 20202002210120 in words is "twenty trillion, two hundred two billion, two million, two hundred ten thousand, one hundred twenty".