20000233332 has 18 divisors (see below), whose sum is σ = 50556145458. Its totient is φ = 6666744432.

The previous prime is 20000233289. The next prime is 20000233373. The reversal of 20000233332 is 23333200002.

It can be written as a sum of positive squares in only one way, i.e., 11469124836 + 8531108496 = 107094^2 + 92364^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 277780983 + ... + 277781054.

Almost surely, 2^20000233332 is an apocalyptic number.

It is an amenable number.

20000233332 is an abundant number, since it is smaller than the sum of its proper divisors (30555912126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000233332 is a wasteful number, since it uses less digits than its factorization.

20000233332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555562047 (or 555562042 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20000233332 its reverse (23333200002), we get a palindrome (43333433334).

The spelling of 20000233332 in words is "twenty billion, two hundred thirty-three thousand, three hundred thirty-two".