20332869912 has 192 divisors, whose sum is σ = 60164208000. Its totient is φ = 6344951616.

The previous prime is 20332869911. The next prime is 20332869923. The reversal of 20332869912 is 21996823302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332869911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43539103 + ... + 43539569.

It is an arithmetic number, because the mean of its divisors is an integer number (313355250).

Almost surely, 2^20332869912 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 20332869912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30082104000).

20332869912 is an abundant number, since it is smaller than the sum of its proper divisors (39831338088).

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

20332869912 is a wasteful number, since it uses less digits than its factorization.

20332869912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 20332869912 in words is "twenty billion, three hundred thirty-two million, eight hundred sixty-nine thousand, nine hundred twelve".