220020101122210 has 64 divisors (see below), whose sum is σ = 406254431699424. Its totient is φ = 85743273369600.

The previous prime is 220020101122189. The next prime is 220020101122219. The reversal of 220020101122210 is 12221101020022.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 108198337796649 + 111821763325561 = 10401843^2 + 10574581^2 .

It is not an unprimeable number, because it can be changed into a prime (220020101122219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1776916222 + ... + 1777040038.

Almost surely, 2^{220020101122210} is an apocalyptic number.

220020101122210 is a deficient number, since it is larger than the sum of its proper divisors (186234330577214).

220020101122210 is a wasteful number, since it uses less digits than its factorization.

220020101122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129799.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220020101122210 its reverse (12221101020022), we get a palindrome (232241202142232).

The spelling of 220020101122210 in words is "two hundred twenty trillion, twenty billion, one hundred one million, one hundred twenty-two thousand, two hundred ten".