20000032033 has 4 divisors (see below), whose sum is σ = 20689688340. Its totient is φ = 19310375728.

The previous prime is 20000032021. The next prime is 20000032049. The reversal of 20000032033 is 33023000002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16182892944 + 3817139089 = 127212^2 + 61783^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000032033 - 2⁵ = 20000032001 is a prime.

It is a super-2 number, since 2×20000032033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000032093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344828110 + ... + 344828167.

It is an arithmetic number, because the mean of its divisors is an integer number (5172422085).

Almost surely, 2^20000032033 is an apocalyptic number.

It is an amenable number.

20000032033 is a deficient number, since it is larger than the sum of its proper divisors (689656307).

20000032033 is an equidigital number, since it uses as much as digits as its factorization.

20000032033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689656306.

The product of its (nonzero) digits is 108, while the sum is 13.

Adding to 20000032033 its reverse (33023000002), we get a palindrome (53023032035).

The spelling of 20000032033 in words is "twenty billion, thirty-two thousand, thirty-three".