20366100433 has 16 divisors (see below), whose sum is σ = 23398558720. Its totient is φ = 17364488400.

The previous prime is 20366100431. The next prime is 20366100463. The reversal of 20366100433 is 33400166302.

It is not a de Polignac number, because 20366100433 - 2¹ = 20366100431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20366100431) 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 in 15 ways as a sum of consecutive naturals, for example, 4811428 + ... + 4815658.

It is an arithmetic number, because the mean of its divisors is an integer number (1462409920).

Almost surely, 2^20366100433 is an apocalyptic number.

It is an amenable number.

20366100433 is a deficient number, since it is larger than the sum of its proper divisors (3032458287).

20366100433 is a wasteful number, since it uses less digits than its factorization.

20366100433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20366100433 its reverse (33400166302), we get a palindrome (53766266735).

The spelling of 20366100433 in words is "twenty billion, three hundred sixty-six million, one hundred thousand, four hundred thirty-three".