20412344023 has 16 divisors (see below), whose sum is σ = 21970647360. Its totient is φ = 18895251456.

The previous prime is 20412343951. The next prime is 20412344077. The reversal of 20412344023 is 32044321402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20412344023 - 2²⁵ = 20378789591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412347023) 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, 422611 + ... + 468427.

It is an arithmetic number, because the mean of its divisors is an integer number (1373165460).

Almost surely, 2^20412344023 is an apocalyptic number.

20412344023 is a deficient number, since it is larger than the sum of its proper divisors (1558303337).

20412344023 is a wasteful number, since it uses less digits than its factorization.

20412344023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46266.

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

Adding to 20412344023 its reverse (32044321402), we get a palindrome (52456665425).

The spelling of 20412344023 in words is "twenty billion, four hundred twelve million, three hundred forty-four thousand, twenty-three".