20373012 has 72 divisors (see below), whose sum is σ = 58094400. Its totient is φ = 6169680.

The previous prime is 20373011. The next prime is 20373019. The reversal of 20373012 is 21037302.

It is a super-3 number, since 3×20373012³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20373011) 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 23 ways as a sum of consecutive naturals, for example, 12289 + ... + 13847.

Almost surely, 2^20373012 is an apocalyptic number.

20373012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20373012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29047200).

20373012 is an abundant number, since it is smaller than the sum of its proper divisors (37721388).

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

20373012 is a wasteful number, since it uses less digits than its factorization.

20373012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 20373012 is about 4513.6473056720. The cubic root of 20373012 is about 273.1188951991.

The spelling of 20373012 in words is "twenty million, three hundred seventy-three thousand, twelve".