20125814 has 4 divisors (see below), whose sum is σ = 30188724. Its totient is φ = 10062906.

The previous prime is 20125799. The next prime is 20125829. The reversal of 20125814 is 41852102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41852102 = 2 ⋅20926051.

It is an interprime number because it is at equal distance from previous prime (20125799) and next prime (20125829).

It is a self number, because there is not a number n which added to its sum of digits gives 20125814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5031452 + ... + 5031455.

It is an arithmetic number, because the mean of its divisors is an integer number (7547181).

Almost surely, 2^20125814 is an apocalyptic number.

20125814 is a deficient number, since it is larger than the sum of its proper divisors (10062910).

20125814 is a wasteful number, since it uses less digits than its factorization.

20125814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062909.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 20125814 is about 4486.1803352072. The cubic root of 20125814 is about 272.0097585167.

Adding to 20125814 its reverse (41852102), we get a palindrome (61977916).

The spelling of 20125814 in words is "twenty million, one hundred twenty-five thousand, eight hundred fourteen".