20369132992 has 112 divisors (see below), whose sum is σ = 44481975552. Its totient is φ = 9196462080.

The previous prime is 20369132909. The next prime is 20369133041. The reversal of 20369132992 is 29923196302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26765892 + ... + 26766652.

It is an arithmetic number, because the mean of its divisors is an integer number (397160496).

Almost surely, 2^20369132992 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 20369132992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22240987776).

20369132992 is an abundant number, since it is smaller than the sum of its proper divisors (24112842560).

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

20369132992 is a wasteful number, since it uses less digits than its factorization.

20369132992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 46.

The spelling of 20369132992 in words is "twenty billion, three hundred sixty-nine million, one hundred thirty-two thousand, nine hundred ninety-two".