20624500413 has 24 divisors (see below), whose sum is σ = 32507710560. Its totient is φ = 12496428960.

The previous prime is 20624500411. The next prime is 20624500417. The reversal of 20624500413 is 31400542602.

20624500413 is a `hidden beast` number, since 2 + 0 + 6 + 245 + 0 + 0 + 413 = 666.

It is not a de Polignac number, because 20624500413 - 2¹ = 20624500411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20624500411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384595 + ... + 434927.

It is an arithmetic number, because the mean of its divisors is an integer number (1354487940).

Almost surely, 2^20624500413 is an apocalyptic number.

It is an amenable number.

20624500413 is a deficient number, since it is larger than the sum of its proper divisors (11883210147).

20624500413 is a wasteful number, since it uses less digits than its factorization.

20624500413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54489 (or 54486 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 20624500413 in words is "twenty billion, six hundred twenty-four million, five hundred thousand, four hundred thirteen".