20344650601507 has 2 divisors, whose sum is σ = 20344650601508. Its totient is φ = 20344650601506.

The previous prime is 20344650601487. The next prime is 20344650601523. The reversal of 20344650601507 is 70510605644302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20344650601507 is a prime.

It is not a weakly prime, because it can be changed into another prime (20344650601537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172325300753 + 10172325300754.

It is an arithmetic number, because the mean of its divisors is an integer number (10172325300754).

Almost surely, 2^{20344650601507} is an apocalyptic number.

20344650601507 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344650601507 is an equidigital number, since it uses as much as digits as its factorization.

20344650601507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 20344650601507 in words is "twenty trillion, three hundred forty-four billion, six hundred fifty million, six hundred one thousand, five hundred seven".