20064463407 has 6 divisors (see below), whose sum is σ = 28982002712. Its totient is φ = 13376308932.

The previous prime is 20064463387. The next prime is 20064463417. The reversal of 20064463407 is 70436446002.

20064463407 is a `hidden beast` number, since 2 + 0 + 0 + 644 + 6 + 3 + 4 + 0 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-20064463407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20064463417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1114692403 + ... + 1114692420.

Almost surely, 2^20064463407 is an apocalyptic number.

20064463407 is a deficient number, since it is larger than the sum of its proper divisors (8917539305).

20064463407 is a wasteful number, since it uses less digits than its factorization.

20064463407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229384829 (or 2229384826 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The spelling of 20064463407 in words is "twenty billion, sixty-four million, four hundred sixty-three thousand, four hundred seven".