20416146201251 has 2 divisors, whose sum is σ = 20416146201252. Its totient is φ = 20416146201250.

The previous prime is 20416146201167. The next prime is 20416146201259. The reversal of 20416146201251 is 15210264161402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20416146201251 - 2³⁴ = 20398966332067 is a prime.

It is not a weakly prime, because it can be changed into another prime (20416146201259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10208073100625 + 10208073100626.

It is an arithmetic number, because the mean of its divisors is an integer number (10208073100626).

Almost surely, 2^{20416146201251} is an apocalyptic number.

20416146201251 is a deficient number, since it is larger than the sum of its proper divisors (1).

20416146201251 is an equidigital number, since it uses as much as digits as its factorization.

20416146201251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 20416146201251 in words is "twenty trillion, four hundred sixteen billion, one hundred forty-six million, two hundred one thousand, two hundred fifty-one".