20476552507 has 8 divisors (see below), whose sum is σ = 20541712896. Its totient is φ = 20411443752.

The previous prime is 20476552501. The next prime is 20476552531. The reversal of 20476552507 is 70525567402.

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 20476552507 - 2¹¹ = 20476550459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20476552501) 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, 877728 + ... + 900754.

It is an arithmetic number, because the mean of its divisors is an integer number (2567714112).

Almost surely, 2^20476552507 is an apocalyptic number.

20476552507 is a deficient number, since it is larger than the sum of its proper divisors (65160389).

20476552507 is a wasteful number, since it uses less digits than its factorization.

20476552507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25817.

The product of its (nonzero) digits is 588000, while the sum is 43.

The spelling of 20476552507 in words is "twenty billion, four hundred seventy-six million, five hundred fifty-two thousand, five hundred seven".