20125698 has 8 divisors (see below), whose sum is σ = 40251408. Its totient is φ = 6708564.

The previous prime is 20125697. The next prime is 20125723. The reversal of 20125698 is 89652102.

It is a sphenic number, since it is the product of 3 distinct primes.

20125698 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20125697) 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, 1677136 + ... + 1677147.

It is an arithmetic number, because the mean of its divisors is an integer number (5031426).

Almost surely, 2^20125698 is an apocalyptic number.

20125698 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20125698 is a wasteful number, since it uses less digits than its factorization.

20125698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354288.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 20125698 is about 4486.1674065955. The cubic root of 20125698 is about 272.0092359176.

The spelling of 20125698 in words is "twenty million, one hundred twenty-five thousand, six hundred ninety-eight".