20452774707 has 6 divisors (see below), whose sum is σ = 29542896812. Its totient is φ = 13635183132.

The previous prime is 20452774687. The next prime is 20452774723. The reversal of 20452774707 is 70747725402.

It is not a de Polignac number, because 20452774707 - 2¹⁴ = 20452758323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20452774747) 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, 1136265253 + ... + 1136265270.

Almost surely, 2^20452774707 is an apocalyptic number.

20452774707 is a deficient number, since it is larger than the sum of its proper divisors (9090122105).

20452774707 is a wasteful number, since it uses less digits than its factorization.

20452774707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272530529 (or 2272530526 counting only the distinct ones).

The product of its (nonzero) digits is 768320, while the sum is 45.

The spelling of 20452774707 in words is "twenty billion, four hundred fifty-two million, seven hundred seventy-four thousand, seven hundred seven".