20760224 has 24 divisors (see below), whose sum is σ = 41064660. Its totient is φ = 10331136.

The previous prime is 20760221. The next prime is 20760239. The reversal of 20760224 is 42206702.

It can be written as a sum of positive squares in 2 ways, for example, as 19891600 + 868624 = 4460^2 + 932^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20760224.

It is not an unprimeable number, because it can be changed into a prime (20760221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5912 + ... + 8744.

Almost surely, 2^20760224 is an apocalyptic number.

It is an amenable number.

20760224 is a deficient number, since it is larger than the sum of its proper divisors (20304436).

20760224 is a wasteful number, since it uses less digits than its factorization.

20760224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072 (or 3064 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20760224 is about 4556.3388811633. The cubic root of 20760224 is about 274.8383578997.

Adding to 20760224 its reverse (42206702), we get a palindrome (62966926).

The spelling of 20760224 in words is "twenty million, seven hundred sixty thousand, two hundred twenty-four".