20296879 has 8 divisors (see below), whose sum is σ = 21305952. Its totient is φ = 19298400.

The previous prime is 20296877. The next prime is 20296889. The reversal of 20296879 is 97869202.

It is a happy number.

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 20296879 - 2¹ = 20296877 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 (20296873) 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, 1429 + ... + 6529.

It is an arithmetic number, because the mean of its divisors is an integer number (2663244).

Almost surely, 2^20296879 is an apocalyptic number.

20296879 is a deficient number, since it is larger than the sum of its proper divisors (1009073).

20296879 is a wasteful number, since it uses less digits than its factorization.

20296879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 20296879 is about 4505.2057666659. The cubic root of 20296879 is about 272.7782596558.

The spelling of 20296879 in words is "twenty million, two hundred ninety-six thousand, eight hundred seventy-nine".