20624573445 has 32 divisors (see below), whose sum is σ = 37795049472. Its totient is φ = 9407990592.

The previous prime is 20624573443. The next prime is 20624573477. The reversal of 20624573445 is 54437542602.

It is not a de Polignac number, because 20624573445 - 2¹ = 20624573443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20624573397 and 20624573406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20624573443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163507 + ... + 260736.

It is an arithmetic number, because the mean of its divisors is an integer number (1181095296).

Almost surely, 2^20624573445 is an apocalyptic number.

It is an amenable number.

20624573445 is a deficient number, since it is larger than the sum of its proper divisors (17170476027).

20624573445 is a wasteful number, since it uses less digits than its factorization.

20624573445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424721.

The product of its (nonzero) digits is 806400, while the sum is 42.

The spelling of 20624573445 in words is "twenty billion, six hundred twenty-four million, five hundred seventy-three thousand, four hundred forty-five".