20095995867 has 16 divisors (see below), whose sum is σ = 28208261760. Its totient is φ = 12690698112.

The previous prime is 20095995859. The next prime is 20095995877. The reversal of 20095995867 is 76859959002.

It is a happy number.

It is not a de Polignac number, because 20095995867 - 2³ = 20095995859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20095995867.

It is not an unprimeable number, because it can be changed into a prime (20095995877) 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, 647928 + ... + 678234.

It is an arithmetic number, because the mean of its divisors is an integer number (1763016360).

Almost surely, 2^20095995867 is an apocalyptic number.

20095995867 is a deficient number, since it is larger than the sum of its proper divisors (8112265893).

20095995867 is a wasteful number, since it uses less digits than its factorization.

20095995867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41962.

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 20095995867 in words is "twenty billion, ninety-five million, nine hundred ninety-five thousand, eight hundred sixty-seven".