20822694611 has 2 divisors, whose sum is σ = 20822694612. Its totient is φ = 20822694610.

The previous prime is 20822694601. The next prime is 20822694617. The reversal of 20822694611 is 11649622802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20822694611 - 2¹⁰ = 20822693587 is a prime.

It is a super-2 number, since 2×20822694611² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20822694617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10411347305 + 10411347306.

It is an arithmetic number, because the mean of its divisors is an integer number (10411347306).

Almost surely, 2^20822694611 is an apocalyptic number.

20822694611 is a deficient number, since it is larger than the sum of its proper divisors (1).

20822694611 is an equidigital number, since it uses as much as digits as its factorization.

20822694611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 20822694611 in words is "twenty billion, eight hundred twenty-two million, six hundred ninety-four thousand, six hundred eleven".