20416126442501 has 2 divisors, whose sum is σ = 20416126442502. Its totient is φ = 20416126442500.

The previous prime is 20416126442489. The next prime is 20416126442507. The reversal of 20416126442501 is 10524462161402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19850811930625 + 565314511876 = 4455425^2 + 751874^2 .

It is a cyclic number.

It is not a de Polignac number, because 20416126442501 - 2⁴² = 16018079931397 is a prime.

It is a super-3 number, since 3×20416126442501³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20416126442507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10208063221250 + 10208063221251.

It is an arithmetic number, because the mean of its divisors is an integer number (10208063221251).

Almost surely, 2^{20416126442501} is an apocalyptic number.

It is an amenable number.

20416126442501 is a deficient number, since it is larger than the sum of its proper divisors (1).

20416126442501 is an equidigital number, since it uses as much as digits as its factorization.

20416126442501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 20416126442501 in words is "twenty trillion, four hundred sixteen billion, one hundred twenty-six million, four hundred forty-two thousand, five hundred one".