20080366091 has 2 divisors, whose sum is σ = 20080366092. Its totient is φ = 20080366090.

The previous prime is 20080366073. The next prime is 20080366109. The reversal of 20080366091 is 19066308002.

Together with next prime (20080366109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (20080366073) and next prime (20080366109).

It is a cyclic number.

It is not a de Polignac number, because 20080366091 - 2²⁶ = 20013257227 is a prime.

It is a super-2 number, since 2×20080366091² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20080366001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10040183045 + 10040183046.

It is an arithmetic number, because the mean of its divisors is an integer number (10040183046).

Almost surely, 2^20080366091 is an apocalyptic number.

20080366091 is a deficient number, since it is larger than the sum of its proper divisors (1).

20080366091 is an equidigital number, since it uses as much as digits as its factorization.

20080366091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20080366091 in words is "twenty billion, eighty million, three hundred sixty-six thousand, ninety-one".