20231304432 has 40 divisors (see below), whose sum is σ = 52269392640. Its totient is φ = 6743098560.

The previous prime is 20231304421. The next prime is 20231304439. The reversal of 20231304432 is 23440313202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231304439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797707 + ... + 822677.

It is an arithmetic number, because the mean of its divisors is an integer number (1306734816).

Almost surely, 2^20231304432 is an apocalyptic number.

It is an amenable number.

20231304432 is an abundant number, since it is smaller than the sum of its proper divisors (32038088208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231304432 is a wasteful number, since it uses less digits than its factorization.

20231304432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41861 (or 41855 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20231304432 its reverse (23440313202), we get a palindrome (43671617634).

The spelling of 20231304432 in words is "twenty billion, two hundred thirty-one million, three hundred four thousand, four hundred thirty-two".