20124430132 has 12 divisors (see below), whose sum is σ = 35309707776. Its totient is φ = 10035942200.

The previous prime is 20124430111. The next prime is 20124430133. The reversal of 20124430132 is 23103442102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124430133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6566494 + ... + 6569557.

It is an arithmetic number, because the mean of its divisors is an integer number (2942475648).

Almost surely, 2^20124430132 is an apocalyptic number.

It is an amenable number.

20124430132 is a deficient number, since it is larger than the sum of its proper divisors (15185277644).

20124430132 is a wasteful number, since it uses less digits than its factorization.

20124430132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13136438 (or 13136436 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20124430132 its reverse (23103442102), we get a palindrome (43227872234).

The spelling of 20124430132 in words is "twenty billion, one hundred twenty-four million, four hundred thirty thousand, one hundred thirty-two".