20200565707 has 12 divisors (see below), whose sum is σ = 24880889880. Its totient is φ = 16296254016.

The previous prime is 20200565587. The next prime is 20200565717. The reversal of 20200565707 is 70756500202.

It is a happy number.

It is not a de Polignac number, because 20200565707 - 2⁷ = 20200565579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20200565717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12124357 + ... + 12126022.

It is an arithmetic number, because the mean of its divisors is an integer number (2073407490).

Almost surely, 2^20200565707 is an apocalyptic number.

20200565707 is a deficient number, since it is larger than the sum of its proper divisors (4680324173).

20200565707 is a wasteful number, since it uses less digits than its factorization.

20200565707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24250410 (or 24250403 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 20200565707 in words is "twenty billion, two hundred million, five hundred sixty-five thousand, seven hundred seven".