20125237 has 8 divisors (see below), whose sum is σ = 23110560. Its totient is φ = 17332560.

The previous prime is 20125177. The next prime is 20125241. The reversal of 20125237 is 73252102.

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

It is not a de Polignac number, because 20125237 - 2⁷ = 20125109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47938 + ... + 48355.

It is an arithmetic number, because the mean of its divisors is an integer number (2888820).

Almost surely, 2^20125237 is an apocalyptic number.

It is an amenable number.

20125237 is a deficient number, since it is larger than the sum of its proper divisors (2985323).

20125237 is a wasteful number, since it uses less digits than its factorization.

20125237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96323.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20125237 is about 4486.1160261411. The cubic root of 20125237 is about 272.0071590172.

Adding to 20125237 its reverse (73252102), we get a palindrome (93377339).

The spelling of 20125237 in words is "twenty million, one hundred twenty-five thousand, two hundred thirty-seven".