20107104 has 24 divisors (see below), whose sum is σ = 52781400. Its totient is φ = 6702336.

The previous prime is 20107093. The next prime is 20107133. The reversal of 20107104 is 40170102.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent 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, 104629 + ... + 104820.

It is an arithmetic number, because the mean of its divisors is an integer number (2199225).

Almost surely, 2^20107104 is an apocalyptic number.

20107104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20107104 is an abundant number, since it is smaller than the sum of its proper divisors (32674296).

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

20107104 is a wasteful number, since it uses less digits than its factorization.

20107104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209462 (or 209454 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 20107104 is about 4484.0945574330. The cubic root of 20107104 is about 271.9254409252.

Adding to 20107104 its reverse (40170102), we get a palindrome (60277206).

The spelling of 20107104 in words is "twenty million, one hundred seven thousand, one hundred four".