220202211220023 has 4 divisors (see below), whose sum is σ = 293602948293368. Its totient is φ = 146801474146680.

The previous prime is 220202211219983. The next prime is 220202211220039. The reversal of 220202211220023 is 320022112202022.

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

It is not a de Polignac number, because 220202211220023 - 2¹² = 220202211215927 is a prime.

It is a super-2 number, since 2×220202211220023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202211220093) 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, 36700368536668 + ... + 36700368536673.

It is an arithmetic number, because the mean of its divisors is an integer number (73400737073342).

Almost surely, 2^{220202211220023} is an apocalyptic number.

220202211220023 is a deficient number, since it is larger than the sum of its proper divisors (73400737073345).

220202211220023 is an equidigital number, since it uses as much as digits as its factorization.

220202211220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73400737073344.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 220202211220023 its reverse (320022112202022), we get a palindrome (540224323422045).

The spelling of 220202211220023 in words is "two hundred twenty trillion, two hundred two billion, two hundred eleven million, two hundred twenty thousand, twenty-three".