20875373567 has 16 divisors (see below), whose sum is σ = 22344545952. Its totient is φ = 19433395200.

The previous prime is 20875373537. The next prime is 20875373581. The reversal of 20875373567 is 76537357802.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20875373567 - 2¹⁶ = 20875308031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20875373537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1878008 + ... + 1889090.

It is an arithmetic number, because the mean of its divisors is an integer number (1396534122).

Almost surely, 2^20875373567 is an apocalyptic number.

20875373567 is a deficient number, since it is larger than the sum of its proper divisors (1469172385).

20875373567 is a wasteful number, since it uses less digits than its factorization.

20875373567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12298.

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 20875373567 in words is "twenty billion, eight hundred seventy-five million, three hundred seventy-three thousand, five hundred sixty-seven".