220200113021 has 4 divisors (see below), whose sum is σ = 251657272032. Its totient is φ = 188742954012.

The previous prime is 220200112999. The next prime is 220200113041. The reversal of 220200113021 is 120311002022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220200113021 is a prime.

It is a super-2 number, since 2×220200113021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220200112987 and 220200113005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200113041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15728579495 + ... + 15728579508.

It is an arithmetic number, because the mean of its divisors is an integer number (62914318008).

Almost surely, 2^220200113021 is an apocalyptic number.

It is an amenable number.

220200113021 is a deficient number, since it is larger than the sum of its proper divisors (31457159011).

220200113021 is an equidigital number, since it uses as much as digits as its factorization.

220200113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31457159010.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 220200113021 its reverse (120311002022), we get a palindrome (340511115043).

The spelling of 220200113021 in words is "two hundred twenty billion, two hundred million, one hundred thirteen thousand, twenty-one".