220213100020 has 48 divisors (see below), whose sum is σ = 481492838736. Its totient is φ = 84528000000.

The previous prime is 220213099999. The next prime is 220213100027. The reversal of 220213100020 is 20001312022.

It can be written as a sum of positive squares in 8 ways, for example, as 137145790224 + 83067309796 = 370332^2 + 288214^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220213100027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2151231 + ... + 2251270.

It is an arithmetic number, because the mean of its divisors is an integer number (10031100807).

Almost surely, 2^220213100020 is an apocalyptic number.

220213100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220213100020 is an abundant number, since it is smaller than the sum of its proper divisors (261279738716).

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

220213100020 is a wasteful number, since it uses less digits than its factorization.

220213100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402612 (or 4402610 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 220213100020 its reverse (20001312022), we get a palindrome (240214412042).

The spelling of 220213100020 in words is "two hundred twenty billion, two hundred thirteen million, one hundred thousand, twenty".