20107528 has 16 divisors (see below), whose sum is σ = 43087680. Its totient is φ = 8617488.

The previous prime is 20107523. The next prime is 20107541. The reversal of 20107528 is 82570102.

It is not an unprimeable number, because it can be changed into a prime (20107523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179476 + ... + 179587.

It is an arithmetic number, because the mean of its divisors is an integer number (2692980).

Almost surely, 2^20107528 is an apocalyptic number.

20107528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20107528 is an abundant number, since it is smaller than the sum of its proper divisors (22980152).

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

20107528 is a wasteful number, since it uses less digits than its factorization.

20107528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359076 (or 359072 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 20107528 is about 4484.1418354017. The cubic root of 20107528 is about 271.9273522824.

The spelling of 20107528 in words is "twenty million, one hundred seven thousand, five hundred twenty-eight".