220002221023 has 32 divisors (see below), whose sum is σ = 252705954816. Its totient is φ = 189731593728.

The previous prime is 220002221017. The next prime is 220002221183. The reversal of 220002221023 is 320122200022.

It is not a de Polignac number, because 220002221023 - 2²⁵ = 219968666591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220002220988 and 220002221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002221423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30370840 + ... + 30378082.

It is an arithmetic number, because the mean of its divisors is an integer number (7897061088).

Almost surely, 2^220002221023 is an apocalyptic number.

220002221023 is a deficient number, since it is larger than the sum of its proper divisors (32703733793).

220002221023 is a wasteful number, since it uses less digits than its factorization.

220002221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8263.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 220002221023 its reverse (320122200022), we get a palindrome (540124421045).

The spelling of 220002221023 in words is "two hundred twenty billion, two million, two hundred twenty-one thousand, twenty-three".