20198376 has 64 divisors (see below), whose sum is σ = 61214400. Its totient is φ = 6120000.

The previous prime is 20198369. The next prime is 20198377. The reversal of 20198376 is 67389102.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20198376.

It is not an unprimeable number, because it can be changed into a prime (20198377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1875 + ... + 6626.

It is an arithmetic number, because the mean of its divisors is an integer number (956475).

Almost surely, 2^20198376 is an apocalyptic number.

It is an amenable number.

20198376 is an abundant number, since it is smaller than the sum of its proper divisors (41016024).

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

20198376 is a wasteful number, since it uses less digits than its factorization.

20198376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8527 (or 8517 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 20198376 is about 4494.2603395887. The cubic root of 20198376 is about 272.3362695132.

The spelling of 20198376 in words is "twenty million, one hundred ninety-eight thousand, three hundred seventy-six".