20245031152425 has 18 divisors (see below), whose sum is σ = 36261100242302. Its totient is φ = 10797349947840.

The previous prime is 20245031152399. The next prime is 20245031152433. The reversal of 20245031152425 is 52425113054202.

20245031152425 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 50 + 31 + 152 + 425 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 457788816 + 20244573363609 = 21396^2 + 4499397^2 .

It is not a de Polignac number, because 20245031152425 - 2⁸ = 20245031152169 is a prime.

It is a super-2 number, since 2×20245031152425² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20245031152425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44988957892 + ... + 44988958341.

Almost surely, 2^{20245031152425} is an apocalyptic number.

20245031152425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20245031152425 is a deficient number, since it is larger than the sum of its proper divisors (16016069089877).

20245031152425 is a wasteful number, since it uses less digits than its factorization.

20245031152425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89977916249 (or 89977916241 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 20245031152425 in words is "twenty trillion, two hundred forty-five billion, thirty-one million, one hundred fifty-two thousand, four hundred twenty-five".