20032412564 has 24 divisors (see below), whose sum is σ = 35587077120. Its totient is φ = 9865812096.

The previous prime is 20032412551. The next prime is 20032412573. The reversal of 20032412564 is 46521423002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71237 + ... + 212460.

It is an arithmetic number, because the mean of its divisors is an integer number (1482794880).

Almost surely, 2^20032412564 is an apocalyptic number.

It is an amenable number.

20032412564 is a deficient number, since it is larger than the sum of its proper divisors (15554664556).

20032412564 is a wasteful number, since it uses less digits than its factorization.

20032412564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283967 (or 283965 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20032412564 its reverse (46521423002), we get a palindrome (66553835566).

The spelling of 20032412564 in words is "twenty billion, thirty-two million, four hundred twelve thousand, five hundred sixty-four".