20432613624 has 16 divisors (see below), whose sum is σ = 51081534120. Its totient is φ = 6810871200.

The previous prime is 20432613613. The next prime is 20432613629. The reversal of 20432613624 is 42631623402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432613629) 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, 425679427 + ... + 425679474.

Almost surely, 2^20432613624 is an apocalyptic number.

20432613624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20432613624 is an abundant number, since it is smaller than the sum of its proper divisors (30648920496).

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

20432613624 is a wasteful number, since it uses less digits than its factorization.

20432613624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851358910 (or 851358906 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 20432613624 in words is "twenty billion, four hundred thirty-two million, six hundred thirteen thousand, six hundred twenty-four".