20008104 has 32 divisors (see below), whose sum is σ = 50360640. Its totient is φ = 6624000.

The previous prime is 20008097. The next prime is 20008127. The reversal of 20008104 is 40180002.

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, 864 + ... + 6384.

It is an arithmetic number, because the mean of its divisors is an integer number (1573770).

Almost surely, 2^20008104 is an apocalyptic number.

20008104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20008104 is an abundant number, since it is smaller than the sum of its proper divisors (30352536).

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

20008104 is a wasteful number, since it uses less digits than its factorization.

20008104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681 (or 5677 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 20008104 is about 4473.0419179793. The cubic root of 20008104 is about 271.4784194426.

Adding to 20008104 its reverse (40180002), we get a palindrome (60188106).

The spelling of 20008104 in words is "twenty million, eight thousand, one hundred four".