202020002012020 has 24 divisors (see below), whose sum is σ = 427582492452864. Its totient is φ = 80171717332896.

The previous prime is 202020002011973. The next prime is 202020002012041. The reversal of 202020002012020 is 20210200020202.

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, 39767714392 + ... + 39767719471.

It is an arithmetic number, because the mean of its divisors is an integer number (17815937185536).

Almost surely, 2^{202020002012020} is an apocalyptic number.

202020002012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202020002012020 is an abundant number, since it is smaller than the sum of its proper divisors (225562490440844).

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

202020002012020 is a wasteful number, since it uses less digits than its factorization.

202020002012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79535433999 (or 79535433997 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 202020002012020 its reverse (20210200020202), we get a palindrome (222230202032222).

The spelling of 202020002012020 in words is "two hundred two trillion, twenty billion, two million, twelve thousand, twenty".