20133332244 has 192 divisors, whose sum is σ = 56010528000. Its totient is φ = 6242181120.

The previous prime is 20133332231. The next prime is 20133332249. The reversal of 20133332244 is 44223333102.

20133332244 is a `hidden beast` number, since 2 + 0 + 1 + 333 + 322 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133332249) 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 63 ways as a sum of consecutive naturals, for example, 10657252 + ... + 10659140.

It is an arithmetic number, because the mean of its divisors is an integer number (291721500).

Almost surely, 2^20133332244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20133332244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28005264000).

20133332244 is an abundant number, since it is smaller than the sum of its proper divisors (35877195756).

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

20133332244 is a wasteful number, since it uses less digits than its factorization.

20133332244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20133332244 its reverse (44223333102), we get a palindrome (64356665346).

The spelling of 20133332244 in words is "twenty billion, one hundred thirty-three million, three hundred thirty-two thousand, two hundred forty-four".