22403432020021 has 24 divisors (see below), whose sum is σ = 24288740118720. Its totient is φ = 20655034732800.

The previous prime is 22403432019959. The next prime is 22403432020033. The reversal of 22403432020021 is 12002023430422.

It is not a de Polignac number, because 22403432020021 - 2¹⁵ = 22403431987253 is a prime.

It is a super-3 number, since 3×22403432020021³ (a number of 41 digits) contains 333 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 (22403432020051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1347080376 + ... + 1347097006.

It is an arithmetic number, because the mean of its divisors is an integer number (1012030838280).

Almost surely, 2^{22403432020021} is an apocalyptic number.

It is an amenable number.

22403432020021 is a deficient number, since it is larger than the sum of its proper divisors (1885308098699).

22403432020021 is a wasteful number, since it uses less digits than its factorization.

22403432020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25837 (or 25824 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22403432020021 its reverse (12002023430422), we get a palindrome (34405455450443).

The spelling of 22403432020021 in words is "twenty-two trillion, four hundred three billion, four hundred thirty-two million, twenty thousand, twenty-one".