222201112020020 has 48 divisors (see below), whose sum is σ = 533338612748928. Its totient is φ = 76175246421120.

The previous prime is 222201112020011. The next prime is 222201112020059. The reversal of 222201112020020 is 20020211102222.

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 15 ways as a sum of consecutive naturals, for example, 81910466 + ... + 84579705.

It is an arithmetic number, because the mean of its divisors is an integer number (11111221098936).

Almost surely, 2^{222201112020020} is an apocalyptic number.

222201112020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222201112020020 is an abundant number, since it is smaller than the sum of its proper divisors (311137500728908).

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

222201112020020 is a wasteful number, since it uses less digits than its factorization.

222201112020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166499720 (or 166499718 counting only the distinct ones).

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

Adding to 222201112020020 its reverse (20020211102222), we get a palindrome (242221323122242).

The spelling of 222201112020020 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twelve million, twenty thousand, twenty".