20795679 has 12 divisors (see below), whose sum is σ = 30089800. Its totient is φ = 13839984.

The previous prime is 20795659. The next prime is 20795681. The reversal of 20795679 is 97659702.

It is not a de Polignac number, because 20795679 - 2⁵ = 20795647 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 (20795609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4752 + ... + 8010.

Almost surely, 2^20795679 is an apocalyptic number.

20795679 is a deficient number, since it is larger than the sum of its proper divisors (9294121).

20795679 is a wasteful number, since it uses less digits than its factorization.

20795679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974 (or 3971 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 20795679 is about 4560.2279548286. The cubic root of 20795679 is about 274.9947282736.

The spelling of 20795679 in words is "twenty million, seven hundred ninety-five thousand, six hundred seventy-nine".