20125874 has 8 divisors (see below), whose sum is σ = 31501440. Its totient is φ = 9625396.

The previous prime is 20125871. The next prime is 20125879. The reversal of 20125874 is 47852102.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20125871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218714 + ... + 218805.

It is an arithmetic number, because the mean of its divisors is an integer number (3937680).

Almost surely, 2^20125874 is an apocalyptic number.

20125874 is a deficient number, since it is larger than the sum of its proper divisors (11375566).

20125874 is a wasteful number, since it uses less digits than its factorization.

20125874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437544.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 20125874 is about 4486.1870224056. The cubic root of 20125874 is about 272.0100288257.

Adding to 20125874 its reverse (47852102), we get a palindrome (67977976).

The spelling of 20125874 in words is "twenty million, one hundred twenty-five thousand, eight hundred seventy-four".