20633106619 has 2 divisors, whose sum is σ = 20633106620. Its totient is φ = 20633106618.

The previous prime is 20633106553. The next prime is 20633106653. The reversal of 20633106619 is 91660133602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20633106619 - 2⁷ = 20633106491 is a prime.

It is a super-2 number, since 2×20633106619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20633106019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10316553309 + 10316553310.

It is an arithmetic number, because the mean of its divisors is an integer number (10316553310).

Almost surely, 2^20633106619 is an apocalyptic number.

20633106619 is a deficient number, since it is larger than the sum of its proper divisors (1).

20633106619 is an equidigital number, since it uses as much as digits as its factorization.

20633106619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 20633106619 in words is "twenty billion, six hundred thirty-three million, one hundred six thousand, six hundred nineteen".