220202020211023 has 4 divisors (see below), whose sum is σ = 220206428092120. Its totient is φ = 220197612329928.

The previous prime is 220202020211009. The next prime is 220202020211027. The reversal of 220202020211023 is 320112020202022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220202020211023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202020211027) 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, 2203865613 + ... + 2203965526.

It is an arithmetic number, because the mean of its divisors is an integer number (55051607023030).

Almost surely, 2^{220202020211023} is an apocalyptic number.

220202020211023 is a deficient number, since it is larger than the sum of its proper divisors (4407881097).

220202020211023 is an equidigital number, since it uses as much as digits as its factorization.

220202020211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407881096.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 220202020211023 its reverse (320112020202022), we get a palindrome (540314040413045).

Subtracting 220202020211023 from its reverse (320112020202022), we obtain a palindrome (99909999990999).

The spelling of 220202020211023 in words is "two hundred twenty trillion, two hundred two billion, twenty million, two hundred eleven thousand, twenty-three".