20104026 has 16 divisors (see below), whose sum is σ = 40623744. Its totient is φ = 6632064.

The previous prime is 20104003. The next prime is 20104031. The reversal of 20104026 is 62040102.

It is a super-2 number, since 2×20104026² = 808343722817352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20103996 and 20104014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16690 + ... + 17853.

It is an arithmetic number, because the mean of its divisors is an integer number (2538984).

Almost surely, 2^20104026 is an apocalyptic number.

20104026 is an abundant number, since it is smaller than the sum of its proper divisors (20519718).

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

20104026 is a wasteful number, since it uses less digits than its factorization.

20104026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34645.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20104026 is about 4483.7513311958. The cubic root of 20104026 is about 271.9115647479.

Adding to 20104026 its reverse (62040102), we get a palindrome (82144128).

The spelling of 20104026 in words is "twenty million, one hundred four thousand, twenty-six".