202220426620 has 12 divisors (see below), whose sum is σ = 424662895944. Its totient is φ = 80888170640.

The previous prime is 202220426567. The next prime is 202220426623. The reversal of 202220426620 is 26624022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220426623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055510646 + ... + 5055510685.

It is an arithmetic number, because the mean of its divisors is an integer number (35388574662).

Almost surely, 2^202220426620 is an apocalyptic number.

202220426620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220426620 is an abundant number, since it is smaller than the sum of its proper divisors (222442469324).

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

202220426620 is a wasteful number, since it uses less digits than its factorization.

202220426620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111021340 (or 10111021338 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 202220426620 its reverse (26624022202), we get a palindrome (228844448822).

The spelling of 202220426620 in words is "two hundred two billion, two hundred twenty million, four hundred twenty-six thousand, six hundred twenty".