20125350 has 72 divisors (see below), whose sum is σ = 61804080. Its totient is φ = 4599360.

The previous prime is 20125321. The next prime is 20125363. The reversal of 20125350 is 5352102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45 + ... + 6344.

It is an arithmetic number, because the mean of its divisors is an integer number (858390).

Almost surely, 2^20125350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20125350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30902040).

20125350 is an abundant number, since it is smaller than the sum of its proper divisors (41678730).

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

20125350 is a wasteful number, since it uses less digits than its factorization.

20125350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414 (or 6406 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 20125350 is about 4486.1286205369. The cubic root of 20125350 is about 272.0076681085.

Adding to 20125350 its reverse (5352102), we get a palindrome (25477452).

The spelling of 20125350 in words is "twenty million, one hundred twenty-five thousand, three hundred fifty".