20104359 has 16 divisors (see below), whose sum is σ = 29341440. Its totient is φ = 12143360.

The previous prime is 20104351. The next prime is 20104361. The reversal of 20104359 is 95340102.

It is a cyclic number.

It is not a de Polignac number, because 20104359 - 2³ = 20104351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104351) 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, 10999 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (1833840).

Almost surely, 2^20104359 is an apocalyptic number.

20104359 is a deficient number, since it is larger than the sum of its proper divisors (9237081).

20104359 is a wasteful number, since it uses less digits than its factorization.

20104359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 20104359 is about 4483.7884651263. The cubic root of 20104359 is about 271.9130660401.

It can be divided in two parts, 201043 and 59, that added together give a palindrome (201102).

The spelling of 20104359 in words is "twenty million, one hundred four thousand, three hundred fifty-nine".