20433033369 has 18 divisors (see below), whose sum is σ = 34333056810. Its totient is φ = 11676018816.

The previous prime is 20433033367. The next prime is 20433033407. The reversal of 20433033369 is 96333033402.

It can be written as a sum of positive squares in only one way, i.e., 11291187600 + 9141845769 = 106260^2 + 95613^2 .

It is not a de Polignac number, because 20433033369 - 2¹ = 20433033367 is a prime.

It is a super-2 number, since 2×20433033369² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20433033367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23166264 + ... + 23167145.

It is an arithmetic number, because the mean of its divisors is an integer number (1907392045).

Almost surely, 2^20433033369 is an apocalyptic number.

It is an amenable number.

20433033369 is a deficient number, since it is larger than the sum of its proper divisors (13900023441).

20433033369 is a wasteful number, since it uses less digits than its factorization.

20433033369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46333429 (or 46333419 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 36.

It can be divided in two parts, 20433033 and 369, that added together give a palindrome (20433402).

The spelling of 20433033369 in words is "twenty billion, four hundred thirty-three million, thirty-three thousand, three hundred sixty-nine".