20137852 has 24 divisors (see below), whose sum is σ = 40733280. Its totient is φ = 8532480.

The previous prime is 20137849. The next prime is 20137883. The reversal of 20137852 is 25873102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 20137852.

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, 1549 + ... + 6532.

It is an arithmetic number, because the mean of its divisors is an integer number (1697220).

Almost surely, 2^20137852 is an apocalyptic number.

It is an amenable number.

20137852 is an abundant number, since it is smaller than the sum of its proper divisors (20595428).

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

20137852 is a wasteful number, since it uses less digits than its factorization.

20137852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8181 (or 8179 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 20137852 is about 4487.5218105320. The cubic root of 20137852 is about 272.0639807680.

The spelling of 20137852 in words is "twenty million, one hundred thirty-seven thousand, eight hundred fifty-two".