220220000100 has 72 divisors (see below), whose sum is σ = 707966527520. Its totient is φ = 58725332640.

The previous prime is 220220000071. The next prime is 220220000131. The reversal of 220220000100 is 1000022022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40778782 + ... + 40784181.

Almost surely, 2^220220000100 is an apocalyptic number.

220220000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220000100 is an abundant number, since it is smaller than the sum of its proper divisors (487746527420).

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

220220000100 is a wasteful number, since it uses less digits than its factorization.

220220000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81562986 (or 81562973 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 220220000100 its reverse (1000022022), we get a palindrome (221220022122).

The spelling of 220220000100 in words is "two hundred twenty billion, two hundred twenty million, one hundred", and thus it is an aban number.