20125053 has 12 divisors (see below), whose sum is σ = 31305820. Its totient is φ = 12384576.

The previous prime is 20125051. The next prime is 20125057. The reversal of 20125053 is 35052102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8139609 + 11985444 = 2853^2 + 3462^2 .

It is not a de Polignac number, because 20125053 - 2¹ = 20125051 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 85888 + ... + 86121.

Almost surely, 2^20125053 is an apocalyptic number.

It is an amenable number.

20125053 is a deficient number, since it is larger than the sum of its proper divisors (11180767).

20125053 is a wasteful number, since it uses less digits than its factorization.

20125053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172028 (or 172025 counting only the distinct ones).

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

The square root of 20125053 is about 4486.0955183768. The cubic root of 20125053 is about 272.0063300502.

Adding to 20125053 its reverse (35052102), we get a palindrome (55177155).

The spelling of 20125053 in words is "twenty million, one hundred twenty-five thousand, fifty-three".