20202332112 has 120 divisors (see below), whose sum is σ = 58200611976. Its totient is φ = 6536982528.

The previous prime is 20202332107. The next prime is 20202332159. The reversal of 20202332112 is 21123320202.

20202332112 is a `hidden beast` number, since 20 + 202 + 332 + 112 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17177772096 + 3024560016 = 131064^2 + 54996^2 .

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 23 ways as a sum of consecutive naturals, for example, 2430748 + ... + 2439044.

Almost surely, 2^20202332112 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 20202332112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29100305988).

20202332112 is an abundant number, since it is smaller than the sum of its proper divisors (37998279864).

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

20202332112 is a wasteful number, since it uses less digits than its factorization.

20202332112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8805 (or 8796 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20202332112 its reverse (21123320202), we get a palindrome (41325652314).

The spelling of 20202332112 in words is "twenty billion, two hundred two million, three hundred thirty-two thousand, one hundred twelve".