20201379 has 16 divisors (see below), whose sum is σ = 29614464. Its totient is φ = 12147200.

The previous prime is 20201359. The next prime is 20201381. The reversal of 20201379 is 97310202.

It is a cyclic number.

It is not a de Polignac number, because 20201379 - 2¹⁵ = 20168611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201329) 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, 1987 + ... + 6659.

It is an arithmetic number, because the mean of its divisors is an integer number (1850904).

Almost surely, 2^20201379 is an apocalyptic number.

20201379 is a deficient number, since it is larger than the sum of its proper divisors (9413085).

20201379 is a wasteful number, since it uses less digits than its factorization.

20201379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 20201379 is about 4494.5944199672. The cubic root of 20201379 is about 272.3497654050.

The spelling of 20201379 in words is "twenty million, two hundred one thousand, three hundred seventy-nine".