20240727402125 has 8 divisors (see below), whose sum is σ = 25260427798008. Its totient is φ = 16192581921600.

The previous prime is 20240727402109. The next prime is 20240727402127. The reversal of 20240727402125 is 52120472704202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8957297449 + 20231770104676 = 94643^2 + 4497974^2 .

It is not a de Polignac number, because 20240727402125 - 2⁴ = 20240727402109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240727402127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80962909484 + ... + 80962909733.

It is an arithmetic number, because the mean of its divisors is an integer number (3157553474751).

Almost surely, 2^{20240727402125} is an apocalyptic number.

20240727402125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20240727402125 is a deficient number, since it is larger than the sum of its proper divisors (5019700395883).

20240727402125 is an equidigital number, since it uses as much as digits as its factorization.

20240727402125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161925819232 (or 161925819222 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 38.

The spelling of 20240727402125 in words is "twenty trillion, two hundred forty billion, seven hundred twenty-seven million, four hundred two thousand, one hundred twenty-five".