20011433332 has 24 divisors (see below), whose sum is σ = 38207262240. Its totient is φ = 9095244960.

The previous prime is 20011433297. The next prime is 20011433333. The reversal of 20011433332 is 23333411002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011433333) 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 7 ways as a sum of consecutive naturals, for example, 805594 + ... + 830062.

It is an arithmetic number, because the mean of its divisors is an integer number (1591969260).

Almost surely, 2^20011433332 is an apocalyptic number.

20011433332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20011433332 is a deficient number, since it is larger than the sum of its proper divisors (18195828908).

20011433332 is a wasteful number, since it uses less digits than its factorization.

20011433332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43071 (or 43069 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20011433332 its reverse (23333411002), we get a palindrome (43344844334).

The spelling of 20011433332 in words is "twenty billion, eleven million, four hundred thirty-three thousand, three hundred thirty-two".