20365104 has 20 divisors (see below), whose sum is σ = 52609976. Its totient is φ = 6788352.

The previous prime is 20365049. The next prime is 20365117. The reversal of 20365104 is 40156302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212089 + ... + 212184.

Almost surely, 2^20365104 is an apocalyptic number.

20365104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20365104 is an abundant number, since it is smaller than the sum of its proper divisors (32244872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20365104 is a wasteful number, since it uses less digits than its factorization.

20365104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424284 (or 424278 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20365104 is about 4512.7712106864. The cubic root of 20365104 is about 273.0835526303.

It can be divided in two parts, 2036 and 5104, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 20365104 in words is "twenty million, three hundred sixty-five thousand, one hundred four".