20750272 has 14 divisors (see below), whose sum is σ = 41176448. Its totient is φ = 10375104.

The previous prime is 20750267. The next prime is 20750273. The reversal of 20750272 is 27205702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20750273) 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 as a sum of consecutive naturals, namely, 162048 + ... + 162175.

Almost surely, 2^20750272 is an apocalyptic number.

It is an amenable number.

20750272 is a deficient number, since it is larger than the sum of its proper divisors (20426176).

20750272 is an equidigital number, since it uses as much as digits as its factorization.

20750272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324235 (or 324225 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 20750272 is about 4555.2466453530. The cubic root of 20750272 is about 274.7944337025.

Adding to 20750272 its reverse (27205702), we get a palindrome (47955974).

The spelling of 20750272 in words is "twenty million, seven hundred fifty thousand, two hundred seventy-two".