20040124245025 has 12 divisors (see below), whose sum is σ = 24849812603952. Its totient is φ = 16032061628240.

The previous prime is 20040124245019. The next prime is 20040124245067. The reversal of 20040124245025 is 52054242104002.

It is a de Polignac number, because none of the positive numbers 2^k-20040124245025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15487062 + ... + 16731088.

It is an arithmetic number, because the mean of its divisors is an integer number (2070817716996).

Almost surely, 2^{20040124245025} is an apocalyptic number.

20040124245025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20040124245025 is a deficient number, since it is larger than the sum of its proper divisors (4809688358927).

20040124245025 is a wasteful number, since it uses less digits than its factorization.

20040124245025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888400 (or 1888395 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 20040124245025 its reverse (52054242104002), we get a palindrome (72094366349027).

The spelling of 20040124245025 in words is "twenty trillion, forty billion, one hundred twenty-four million, two hundred forty-five thousand, twenty-five".