20125126 has 16 divisors (see below), whose sum is σ = 34680096. Its totient is φ = 8580096.

The previous prime is 20125117. The next prime is 20125153. The reversal of 20125126 is 62152102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891 + ... + 6406.

It is an arithmetic number, because the mean of its divisors is an integer number (2167506).

Almost surely, 2^20125126 is an apocalyptic number.

20125126 is a deficient number, since it is larger than the sum of its proper divisors (14554970).

20125126 is a wasteful number, since it uses less digits than its factorization.

20125126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7503.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 20125126 is about 4486.1036546206. The cubic root of 20125126 is about 272.0066589344.

Adding to 20125126 its reverse (62152102), we get a palindrome (82277228).

The spelling of 20125126 in words is "twenty million, one hundred twenty-five thousand, one hundred twenty-six".