220020233013 has 30 divisors (see below), whose sum is σ = 382332974166. Its totient is φ = 125725845168.

The previous prime is 220020232919. The next prime is 220020233029. The reversal of 220020233013 is 310332020022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 191492009604 + 28528223409 = 437598^2 + 168903^2 .

It is not a de Polignac number, because 220020233013 - 2¹² = 220020228917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020233053) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 27713370 + ... + 27721307.

Almost surely, 2^220020233013 is an apocalyptic number.

It is an amenable number.

220020233013 is a deficient number, since it is larger than the sum of its proper divisors (162312741153).

220020233013 is an equidigital number, since it uses as much as digits as its factorization.

220020233013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55434703 (or 55434687 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 220020233013 its reverse (310332020022), we get a palindrome (530352253035).

The spelling of 220020233013 in words is "two hundred twenty billion, twenty million, two hundred thirty-three thousand, thirteen".