20207876361 has 16 divisors (see below), whose sum is σ = 27456433920. Its totient is φ = 13216550480.

The previous prime is 20207876357. The next prime is 20207876389. The reversal of 20207876361 is 16367870202.

It is a cyclic number.

It is not a de Polignac number, because 20207876361 - 2² = 20207876357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20207876461) 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, 29355 + ... + 203168.

It is an arithmetic number, because the mean of its divisors is an integer number (1716027120).

Almost surely, 2^20207876361 is an apocalyptic number.

It is an amenable number.

20207876361 is a deficient number, since it is larger than the sum of its proper divisors (7248557559).

20207876361 is a wasteful number, since it uses less digits than its factorization.

20207876361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233076.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 20207876361 in words is "twenty billion, two hundred seven million, eight hundred seventy-six thousand, three hundred sixty-one".