20050125 has 32 divisors (see below), whose sum is σ = 33705984. Its totient is φ = 10584000.

The previous prime is 20050117. The next prime is 20050127. The reversal of 20050125 is 52105002.

It is not a de Polignac number, because 20050125 - 2³ = 20050117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47415 + ... + 47835.

It is an arithmetic number, because the mean of its divisors is an integer number (1053312).

Almost surely, 2^20050125 is an apocalyptic number.

20050125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20050125 is a deficient number, since it is larger than the sum of its proper divisors (13655859).

20050125 is a wasteful number, since it uses less digits than its factorization.

20050125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 20050125 is about 4477.7365934141. The cubic root of 20050125 is about 271.6683394496.

Adding to 20050125 its reverse (52105002), we get a palindrome (72155127).

The spelling of 20050125 in words is "twenty million, fifty thousand, one hundred twenty-five".