20237120 has 28 divisors (see below), whose sum is σ = 48190404. Its totient is φ = 8094720.

The previous prime is 20237117. The next prime is 20237153. The reversal of 20237120 is 2173202.

It can be written as a sum of positive squares in 2 ways, for example, as 6635776 + 13601344 = 2576^2 + 3688^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31301 + ... + 31940.

Almost surely, 2^20237120 is an apocalyptic number.

20237120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20237120 is an abundant number, since it is smaller than the sum of its proper divisors (27953284).

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

20237120 is an equidigital number, since it uses as much as digits as its factorization.

20237120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63258 (or 63248 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 20237120 is about 4498.5686612522. The cubic root of 20237120 is about 272.5102877467.

The spelling of 20237120 in words is "twenty million, two hundred thirty-seven thousand, one hundred twenty".