20710095409 has 16 divisors (see below), whose sum is σ = 21551846400. Its totient is φ = 19877126976.

The previous prime is 20710095391. The next prime is 20710095449. The reversal of 20710095409 is 90459001702.

It is a cyclic number.

It is not a de Polignac number, because 20710095409 - 2⁵ = 20710095377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20710095449) 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, 5359212 + ... + 5363074.

It is an arithmetic number, because the mean of its divisors is an integer number (1346990400).

Almost surely, 2^20710095409 is an apocalyptic number.

20710095409 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20710095409 is a deficient number, since it is larger than the sum of its proper divisors (841750991).

20710095409 is a wasteful number, since it uses less digits than its factorization.

20710095409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 20710095409 in words is "twenty billion, seven hundred ten million, ninety-five thousand, four hundred nine".