20373312 has 56 divisors (see below), whose sum is σ = 55778400. Its totient is φ = 6555136.

The previous prime is 20373289. The next prime is 20373317. The reversal of 20373312 is 21337302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20373317) by changing a digit.

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, 3739 + ... + 7397.

Almost surely, 2^20373312 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 20373312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27889200).

20373312 is an abundant number, since it is smaller than the sum of its proper divisors (35405088).

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

20373312 is a wasteful number, since it uses less digits than its factorization.

20373312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703 (or 3693 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 20373312 is about 4513.6805380975. The cubic root of 20373312 is about 273.1202357841.

The spelling of 20373312 in words is "twenty million, three hundred seventy-three thousand, three hundred twelve".