220402444204023 has 16 divisors (see below), whose sum is σ = 309337086276480. Its totient is φ = 139201398591264.

The previous prime is 220402444203973. The next prime is 220402444204121. The reversal of 220402444204023 is 320402444204022.

It is a happy number.

It is not a de Polignac number, because 220402444204023 - 2³³ = 220393854269431 is a prime.

It is a super-2 number, since 2×220402444204023² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220402444204823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88448265 + ... + 90905997.

It is an arithmetic number, because the mean of its divisors is an integer number (19333567892280).

Almost surely, 2^{220402444204023} is an apocalyptic number.

220402444204023 is a deficient number, since it is larger than the sum of its proper divisors (88934642072457).

220402444204023 is a wasteful number, since it uses less digits than its factorization.

220402444204023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031038.

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 220402444204023 its reverse (320402444204022), we get a palindrome (540804888408045).

Subtracting 220402444204023 from its reverse (320402444204022), we obtain a palindrome (99999999999999).

The spelling of 220402444204023 in words is "two hundred twenty trillion, four hundred two billion, four hundred forty-four million, two hundred four thousand, twenty-three".