220202221212210 has 64 divisors (see below), whose sum is σ = 531999686179584. Its totient is φ = 58330129536000.

The previous prime is 220202221212209. The next prime is 220202221212257. The reversal of 220202221212210 is 12212122202022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171032070 + ... + 172314750.

It is an arithmetic number, because the mean of its divisors is an integer number (8312495096556).

Almost surely, 2^{220202221212210} is an apocalyptic number.

220202221212210 is an abundant number, since it is smaller than the sum of its proper divisors (311797464967374).

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

220202221212210 is a wasteful number, since it uses less digits than its factorization.

220202221212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320739.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220202221212210 its reverse (12212122202022), we get a palindrome (232414343414232).

The spelling of 220202221212210 in words is "two hundred twenty trillion, two hundred two billion, two hundred twenty-one million, two hundred twelve thousand, two hundred ten".