20960479 has 8 divisors (see below), whose sum is σ = 21692880. Its totient is φ = 20239296.

The previous prime is 20960453. The next prime is 20960497. The reversal of 20960479 is 97406902.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20960479 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 (20960419) 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, 1089 + ... + 6565.

It is an arithmetic number, because the mean of its divisors is an integer number (2711610).

Almost surely, 2^20960479 is an apocalyptic number.

20960479 is a deficient number, since it is larger than the sum of its proper divisors (732401).

20960479 is an equidigital number, since it uses as much as digits as its factorization.

20960479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 20960479 is about 4578.2615696354. The cubic root of 20960479 is about 275.7192368225.

The spelling of 20960479 in words is "twenty million, nine hundred sixty thousand, four hundred seventy-nine".