20335044432 has 40 divisors (see below), whose sum is σ = 52866817696. Its totient is φ = 6735171456.

The previous prime is 20335044407. The next prime is 20335044511. The reversal of 20335044432 is 23444053302.

It is a self number, because there is not a number n which added to its sum of digits gives 20335044432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341658 + ... + 1356729.

Almost surely, 2^20335044432 is an apocalyptic number.

It is an amenable number.

20335044432 is an abundant number, since it is smaller than the sum of its proper divisors (32531773264).

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

20335044432 is a wasteful number, since it uses less digits than its factorization.

20335044432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698555 (or 2698549 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 20335044432 its reverse (23444053302), we get a palindrome (43779097734).

The spelling of 20335044432 in words is "twenty billion, three hundred thirty-five million, forty-four thousand, four hundred thirty-two".