20368495 has 16 divisors (see below), whose sum is σ = 28012608. Its totient is φ = 13927680.

The previous prime is 20368487. The next prime is 20368549. The reversal of 20368495 is 59486302.

It is not a de Polignac number, because 20368495 - 2³ = 20368487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17677 + ... + 18793.

It is an arithmetic number, because the mean of its divisors is an integer number (1750788).

Almost surely, 2^20368495 is an apocalyptic number.

20368495 is a deficient number, since it is larger than the sum of its proper divisors (7644113).

20368495 is a wasteful number, since it uses less digits than its factorization.

20368495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 20368495 is about 4513.1469065387. The cubic root of 20368495 is about 273.0987088657.

The spelling of 20368495 in words is "twenty million, three hundred sixty-eight thousand, four hundred ninety-five".