202222111020020 has 72 divisors (see below), whose sum is σ = 525538172605824. Its totient is φ = 63999964798848.

The previous prime is 202222111020011. The next prime is 202222111020089. The reversal of 202222111020020 is 20020111222202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4273478264 + ... + 4273525583.

It is an arithmetic number, because the mean of its divisors is an integer number (7299141286192).

Almost surely, 2^{202222111020020} is an apocalyptic number.

202222111020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222111020020 is an abundant number, since it is smaller than the sum of its proper divisors (323316061585804).

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

202222111020020 is a wasteful number, since it uses less digits than its factorization.

202222111020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547003889 (or 8547003874 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202222111020020 its reverse (20020111222202), we get a palindrome (222242222242222).

The spelling of 202222111020020 in words is "two hundred two trillion, two hundred twenty-two billion, one hundred eleven million, twenty thousand, twenty".