20244042125 has 32 divisors (see below), whose sum is σ = 25937114112. Its totient is φ = 15765840000.

The previous prime is 20244042121. The next prime is 20244042173. The reversal of 20244042125 is 52124044202.

It is not a de Polignac number, because 20244042125 - 2² = 20244042121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20244042094 and 20244042103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244042121) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2491820 + ... + 2499930.

It is an arithmetic number, because the mean of its divisors is an integer number (810534816).

Almost surely, 2^20244042125 is an apocalyptic number.

20244042125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20244042125 is a deficient number, since it is larger than the sum of its proper divisors (5693071987).

20244042125 is an equidigital number, since it uses as much as digits as its factorization.

20244042125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8654 (or 8644 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 20244042125 its reverse (52124044202), we get a palindrome (72368086327).

The spelling of 20244042125 in words is "twenty billion, two hundred forty-four million, forty-two thousand, one hundred twenty-five".