20037072 has 80 divisors (see below), whose sum is σ = 57085632. Its totient is φ = 6005760.

The previous prime is 20037053. The next prime is 20037089. The reversal of 20037072 is 27073002.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 72198 + ... + 72474.

Almost surely, 2^20037072 is an apocalyptic number.

20037072 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 20037072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28542816).

20037072 is an abundant number, since it is smaller than the sum of its proper divisors (37048560).

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

20037072 is a wasteful number, since it uses less digits than its factorization.

20037072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 20037072 is about 4476.2788116917. The cubic root of 20037072 is about 271.6093729571.

The spelling of 20037072 in words is "twenty million, thirty-seven thousand, seventy-two".