20412500425507 has 2 divisors, whose sum is σ = 20412500425508. Its totient is φ = 20412500425506.

The previous prime is 20412500425463. The next prime is 20412500425621. The reversal of 20412500425507 is 70552400521402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20412500425507 is a prime.

It is not a weakly prime, because it can be changed into another prime (20412507425507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206250212753 + 10206250212754.

It is an arithmetic number, because the mean of its divisors is an integer number (10206250212754).

Almost surely, 2^{20412500425507} is an apocalyptic number.

20412500425507 is a deficient number, since it is larger than the sum of its proper divisors (1).

20412500425507 is an equidigital number, since it uses as much as digits as its factorization.

20412500425507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 37.

Adding to 20412500425507 its reverse (70552400521402), we get a palindrome (90964900946909).

The spelling of 20412500425507 in words is "twenty trillion, four hundred twelve billion, five hundred million, four hundred twenty-five thousand, five hundred seven".