20368409153399 has 16 divisors (see below), whose sum is σ = 20411261220000. Its totient is φ = 20325620238336.

The previous prime is 20368409153363. The next prime is 20368409153413. The reversal of 20368409153399 is 99335190486302.

It is a cyclic number.

It is not a de Polignac number, because 20368409153399 - 2²⁴ = 20368392376183 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 (20368409153899) 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, 4933010567 + ... + 4933014695.

It is an arithmetic number, because the mean of its divisors is an integer number (1275703826250).

Almost surely, 2^{20368409153399} is an apocalyptic number.

20368409153399 is a deficient number, since it is larger than the sum of its proper divisors (42852066601).

20368409153399 is a wasteful number, since it uses less digits than its factorization.

20368409153399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9554.

The product of its (nonzero) digits is 37791360, while the sum is 62.

The spelling of 20368409153399 in words is "twenty trillion, three hundred sixty-eight billion, four hundred nine million, one hundred fifty-three thousand, three hundred ninety-nine".