20110013025 has 72 divisors (see below), whose sum is σ = 34588929024. Its totient is φ = 10309152000.

The previous prime is 20110013017. The next prime is 20110013057. The reversal of 20110013025 is 52031001102.

It is not a de Polignac number, because 20110013025 - 2³ = 20110013017 is a prime.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20110012995 and 20110013013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17471200 + ... + 17472350.

It is an arithmetic number, because the mean of its divisors is an integer number (480401792).

Almost surely, 2^20110013025 is an apocalyptic number.

20110013025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20110013025 is a deficient number, since it is larger than the sum of its proper divisors (14478915999).

20110013025 is a wasteful number, since it uses less digits than its factorization.

20110013025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 20110013025 its reverse (52031001102), we get a palindrome (72141014127).

The spelling of 20110013025 in words is "twenty billion, one hundred ten million, thirteen thousand, twenty-five".