20198752 has 24 divisors (see below), whose sum is σ = 45447696. Its totient is φ = 8656512.

The previous prime is 20198743. The next prime is 20198753. The reversal of 20198752 is 25789102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20198753) 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, 44863 + ... + 45310.

It is an arithmetic number, because the mean of its divisors is an integer number (1893654).

Almost surely, 2^20198752 is an apocalyptic number.

It is an amenable number.

20198752 is an abundant number, since it is smaller than the sum of its proper divisors (25248944).

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

20198752 is an equidigital number, since it uses as much as digits as its factorization.

20198752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90190 (or 90182 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 20198752 is about 4494.3021705266. The cubic root of 20198752 is about 272.3379593818.

The spelling of 20198752 in words is "twenty million, one hundred ninety-eight thousand, seven hundred fifty-two".