222200022020 has 24 divisors (see below), whose sum is σ = 466630713024. Its totient is φ = 88877977056.

The previous prime is 222200021999. The next prime is 222200022097. The reversal of 222200022020 is 20220002222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222200021986 and 222200022004.

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, 1024439 + ... + 1222241.

It is an arithmetic number, because the mean of its divisors is an integer number (19442946376).

Almost surely, 2^222200022020 is an apocalyptic number.

222200022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200022020 is an abundant number, since it is smaller than the sum of its proper divisors (244430691004).

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

222200022020 is a wasteful number, since it uses less digits than its factorization.

222200022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253979 (or 253977 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 222200022020 its reverse (20220002222), we get a palindrome (242420024242).

The spelling of 222200022020 in words is "two hundred twenty-two billion, two hundred million, twenty-two thousand, twenty".