20152104 has 32 divisors (see below), whose sum is σ = 57577920. Its totient is φ = 5757696.

The previous prime is 20152073. The next prime is 20152127. The reversal of 20152104 is 40125102.

It is a super-2 number, since 2×20152104² = 812214591253632, which contains 22 as substring.

It is a congruent number.

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, 59809 + ... + 60144.

It is an arithmetic number, because the mean of its divisors is an integer number (1799310).

Almost surely, 2^20152104 is an apocalyptic number.

20152104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20152104 is an abundant number, since it is smaller than the sum of its proper divisors (37425816).

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

20152104 is a wasteful number, since it uses less digits than its factorization.

20152104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119969 (or 119965 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 20152104 is about 4489.1094885289. The cubic root of 20152104 is about 272.1281475171.

Adding to 20152104 its reverse (40125102), we get a palindrome (60277206).

The spelling of 20152104 in words is "twenty million, one hundred fifty-two thousand, one hundred four".