220023045 has 48 divisors (see below), whose sum is σ = 425760192. Its totient is φ = 104186880.

The previous prime is 220023031. The next prime is 220023071. The reversal of 220023045 is 540320022.

It is not a de Polignac number, because 220023045 - 2⁷ = 220022917 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16117 + ... + 26453.

It is an arithmetic number, because the mean of its divisors is an integer number (8870004).

Almost surely, 2^220023045 is an apocalyptic number.

It is an amenable number.

220023045 is a deficient number, since it is larger than the sum of its proper divisors (205737147).

220023045 is a wasteful number, since it uses less digits than its factorization.

220023045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10402 (or 10399 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 220023045 is about 14833.1738006402. The cubic root of 220023045 is about 603.7021514746.

Adding to 220023045 its reverse (540320022), we get a palindrome (760343067).

The spelling of 220023045 in words is "two hundred twenty million, twenty-three thousand, forty-five".