20441996625 has 32 divisors (see below), whose sum is σ = 34316575488. Its totient is φ = 10805894400.

The previous prime is 20441996587. The next prime is 20441996671. The reversal of 20441996625 is 52669914402.

It is not a de Polignac number, because 20441996625 - 2¹¹ = 20441994577 is a prime.

It is a super-2 number, since 2×20441996625² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198829 + ... + 283578.

It is an arithmetic number, because the mean of its divisors is an integer number (1072392984).

Almost surely, 2^20441996625 is an apocalyptic number.

20441996625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20441996625 is a deficient number, since it is larger than the sum of its proper divisors (13874578863).

20441996625 is a wasteful number, since it uses less digits than its factorization.

20441996625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482538 (or 482528 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 20441996625 in words is "twenty billion, four hundred forty-one million, nine hundred ninety-six thousand, six hundred twenty-five".