20695695826895 has 8 divisors (see below), whose sum is σ = 24835847690304. Its totient is φ = 16555881529504.

The previous prime is 20695695826891. The next prime is 20695695826901. The reversal of 20695695826895 is 59862859659602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20695695826895 - 2² = 20695695826891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20695695826891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84256604 + ... + 84501873.

It is an arithmetic number, because the mean of its divisors is an integer number (3104480961288).

Almost surely, 2^{20695695826895} is an apocalyptic number.

20695695826895 is a deficient number, since it is larger than the sum of its proper divisors (4140151863409).

20695695826895 is a wasteful number, since it uses less digits than its factorization.

20695695826895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168783009.

The product of its (nonzero) digits is 5038848000, while the sum is 80.

The spelling of 20695695826895 in words is "twenty trillion, six hundred ninety-five billion, six hundred ninety-five million, eight hundred twenty-six thousand, eight hundred ninety-five".