20369033899 has 2 divisors, whose sum is σ = 20369033900. Its totient is φ = 20369033898.

The previous prime is 20369033863. The next prime is 20369033911. The reversal of 20369033899 is 99833096302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20369033899 - 2¹⁵ = 20369001131 is a prime.

It is a super-2 number, since 2×20369033899² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20369033819) 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, 10184516949 + 10184516950.

It is an arithmetic number, because the mean of its divisors is an integer number (10184516950).

Almost surely, 2^20369033899 is an apocalyptic number.

20369033899 is a deficient number, since it is larger than the sum of its proper divisors (1).

20369033899 is an equidigital number, since it uses as much as digits as its factorization.

20369033899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1889568, while the sum is 52.

The spelling of 20369033899 in words is "twenty billion, three hundred sixty-nine million, thirty-three thousand, eight hundred ninety-nine".