20125055 has 16 divisors (see below), whose sum is σ = 24966144. Its totient is φ = 15563520.

The previous prime is 20125051. The next prime is 20125057. The reversal of 20125055 is 55052102.

It is not a de Polignac number, because 20125055 - 2² = 20125051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25649 + ... + 26421.

It is an arithmetic number, because the mean of its divisors is an integer number (1560384).

Almost surely, 2^20125055 is an apocalyptic number.

20125055 is a deficient number, since it is larger than the sum of its proper divisors (4841089).

20125055 is a wasteful number, since it uses less digits than its factorization.

20125055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 20125055 is about 4486.0957412877. The cubic root of 20125055 is about 272.0063390607.

Adding to 20125055 its reverse (55052102), we get a palindrome (75177157).

The spelling of 20125055 in words is "twenty million, one hundred twenty-five thousand, fifty-five".