20098248958091 has 2 divisors, whose sum is σ = 20098248958092. Its totient is φ = 20098248958090.

The previous prime is 20098248958063. The next prime is 20098248958111. The reversal of 20098248958091 is 19085984289002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20098248958091 - 2³⁸ = 19823371051147 is a prime.

It is a super-2 number, since 2×20098248958091² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20098248958031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10049124479045 + 10049124479046.

It is an arithmetic number, because the mean of its divisors is an integer number (10049124479046).

Almost surely, 2^{20098248958091} is an apocalyptic number.

20098248958091 is a deficient number, since it is larger than the sum of its proper divisors (1).

20098248958091 is an equidigital number, since it uses as much as digits as its factorization.

20098248958091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29859840, while the sum is 65.

The spelling of 20098248958091 in words is "twenty trillion, ninety-eight billion, two hundred forty-eight million, nine hundred fifty-eight thousand, ninety-one".