220004444220 has 96 divisors (see below), whose sum is σ = 690176180736. Its totient is φ = 51892934400.

The previous prime is 220004444203. The next prime is 220004444251. The reversal of 220004444220 is 22444400022.

It is a congruent number.

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, 4480176 + ... + 4529015.

It is an arithmetic number, because the mean of its divisors is an integer number (7189335216).

Almost surely, 2^220004444220 is an apocalyptic number.

220004444220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220004444220 is an abundant number, since it is smaller than the sum of its proper divisors (470171736516).

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

220004444220 is a wasteful number, since it uses less digits than its factorization.

220004444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009251 (or 9009249 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 220004444220 its reverse (22444400022), we get a palindrome (242448844242).

The spelling of 220004444220 in words is "two hundred twenty billion, four million, four hundred forty-four thousand, two hundred twenty".