20752296 has 16 divisors (see below), whose sum is σ = 51880800. Its totient is φ = 6917424.

The previous prime is 20752289. The next prime is 20752297. The reversal of 20752296 is 69225702.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20752297) 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 3 ways as a sum of consecutive naturals, for example, 432316 + ... + 432363.

It is an arithmetic number, because the mean of its divisors is an integer number (3242550).

Almost surely, 2^20752296 is an apocalyptic number.

It is an amenable number.

20752296 is an abundant number, since it is smaller than the sum of its proper divisors (31128504).

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

20752296 is a wasteful number, since it uses less digits than its factorization.

20752296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864688 (or 864684 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 20752296 is about 4555.4688013420. The cubic root of 20752296 is about 274.8033679765.

Adding to 20752296 its reverse (69225702), we get a palindrome (89977998).

It can be divided in two parts, 2075 and 2296, that added together give a triangular number (4371 = T₉₃).

The spelling of 20752296 in words is "twenty million, seven hundred fifty-two thousand, two hundred ninety-six".