220501402023 has 64 divisors (see below), whose sum is σ = 343595814912. Its totient is φ = 123188428800.

The previous prime is 220501402003. The next prime is 220501402049. The reversal of 220501402023 is 320204105022.

It is not a de Polignac number, because 220501402023 - 2⁶ = 220501401959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220501402003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93789298 + ... + 93791648.

It is an arithmetic number, because the mean of its divisors is an integer number (5368684608).

Almost surely, 2^220501402023 is an apocalyptic number.

220501402023 is a deficient number, since it is larger than the sum of its proper divisors (123094412889).

220501402023 is a wasteful number, since it uses less digits than its factorization.

220501402023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 220501402023 its reverse (320204105022), we get a palindrome (540705507045).

The spelling of 220501402023 in words is "two hundred twenty billion, five hundred one million, four hundred two thousand, twenty-three".