20142344525 has 12 divisors (see below), whose sum is σ = 24978526272. Its totient is φ = 16112573040.

The previous prime is 20142344489. The next prime is 20142344533. The reversal of 20142344525 is 52544324102.

It is not a de Polignac number, because 20142344525 - 2⁸ = 20142344269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20142344491 and 20142344500.

It is a congruent 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, 390812 + ... + 439338.

It is an arithmetic number, because the mean of its divisors is an integer number (2081543856).

Almost surely, 2^20142344525 is an apocalyptic number.

20142344525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20142344525 is a deficient number, since it is larger than the sum of its proper divisors (4836181747).

20142344525 is a wasteful number, since it uses less digits than its factorization.

20142344525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65140 (or 65135 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 20142344525 its reverse (52544324102), we get a palindrome (72686668627).

The spelling of 20142344525 in words is "twenty billion, one hundred forty-two million, three hundred forty-four thousand, five hundred twenty-five".