20624519407 has 8 divisors (see below), whose sum is σ = 20737889280. Its totient is φ = 20511206040.

The previous prime is 20624519299. The next prime is 20624519411. The reversal of 20624519407 is 70491542602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20624519407 - 2²⁷ = 20490301679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20624519407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20624519417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867444 + ... + 890902.

It is an arithmetic number, because the mean of its divisors is an integer number (2592236160).

Almost surely, 2^20624519407 is an apocalyptic number.

20624519407 is a deficient number, since it is larger than the sum of its proper divisors (113369873).

20624519407 is a wasteful number, since it uses less digits than its factorization.

20624519407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28253.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 20624519407 in words is "twenty billion, six hundred twenty-four million, five hundred nineteen thousand, four hundred seven".