20960797 has 16 divisors (see below), whose sum is σ = 25699968. Its totient is φ = 16822080.

The previous prime is 20960791. The next prime is 20960803. The reversal of 20960797 is 79706902.

It is an interprime number because it is at equal distance from previous prime (20960791) and next prime (20960803).

It is not a de Polignac number, because 20960797 - 2³ = 20960789 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 (20960791) 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, 103 + ... + 6475.

It is an arithmetic number, because the mean of its divisors is an integer number (1606248).

Almost surely, 2^20960797 is an apocalyptic number.

It is an amenable number.

20960797 is a deficient number, since it is larger than the sum of its proper divisors (4739171).

20960797 is a wasteful number, since it uses less digits than its factorization.

20960797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 20960797 is about 4578.2962988431. The cubic root of 20960797 is about 275.7206311653.

The spelling of 20960797 in words is "twenty million, nine hundred sixty thousand, seven hundred ninety-seven".