20425512052241 has 8 divisors (see below), whose sum is σ = 20435701363584. Its totient is φ = 20415324774960.

The previous prime is 20425512052139. The next prime is 20425512052243. The reversal of 20425512052241 is 14225021552402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20425512052241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20425512052243) 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, 19781411 + ... + 20788343.

It is an arithmetic number, because the mean of its divisors is an integer number (2554462670448).

Almost surely, 2^{20425512052241} is an apocalyptic number.

It is an amenable number.

20425512052241 is a deficient number, since it is larger than the sum of its proper divisors (10189311343).

20425512052241 is a wasteful number, since it uses less digits than its factorization.

20425512052241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017031.

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 20425512052241 in words is "twenty trillion, four hundred twenty-five billion, five hundred twelve million, fifty-two thousand, two hundred forty-one".