20002379 has 4 divisors (see below), whose sum is σ = 20014176. Its totient is φ = 19990584.

The previous prime is 20002369. The next prime is 20002397. The reversal of 20002379 is 97320002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20002379 - 2⁴ = 20002363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2819 + ... + 6924.

It is an arithmetic number, because the mean of its divisors is an integer number (5003544).

Almost surely, 2^20002379 is an apocalyptic number.

20002379 is a deficient number, since it is larger than the sum of its proper divisors (11797).

20002379 is an equidigital number, since it uses as much as digits as its factorization.

20002379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11796.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 20002379 is about 4472.4019273764. The cubic root of 20002379 is about 271.4525238986.

The spelling of 20002379 in words is "twenty million, two thousand, three hundred seventy-nine".