20723675392 has 72 divisors (see below), whose sum is σ = 47942036352. Its totient is φ = 8756428800.

The previous prime is 20723675387. The next prime is 20723675411. The reversal of 20723675392 is 29357632702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45792 + ... + 208672.

It is an arithmetic number, because the mean of its divisors is an integer number (665861616).

Almost surely, 2^20723675392 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 20723675392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23971018176).

20723675392 is an abundant number, since it is smaller than the sum of its proper divisors (27218360960).

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

20723675392 is an equidigital number, since it uses as much as digits as its factorization.

20723675392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162975 (or 162961 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 20723675392 in words is "twenty billion, seven hundred twenty-three million, six hundred seventy-five thousand, three hundred ninety-two".