20796198011 has 2 divisors, whose sum is σ = 20796198012. Its totient is φ = 20796198010.

The previous prime is 20796197977. The next prime is 20796198061. The reversal of 20796198011 is 11089169702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20796198011 - 2¹⁰ = 20796196987 is a prime.

It is a super-2 number, since 2×20796198011² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20796198061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10398099005 + 10398099006.

It is an arithmetic number, because the mean of its divisors is an integer number (10398099006).

Almost surely, 2^20796198011 is an apocalyptic number.

20796198011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20796198011 is an equidigital number, since it uses as much as digits as its factorization.

20796198011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 44.

The spelling of 20796198011 in words is "twenty billion, seven hundred ninety-six million, one hundred ninety-eight thousand, eleven".