20652272 has 20 divisors (see below), whose sum is σ = 40466160. Its totient is φ = 10209408.

The previous prime is 20652271. The next prime is 20652277. The reversal of 20652272 is 27225602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20652271) 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, 5828 + ... + 8675.

It is an arithmetic number, because the mean of its divisors is an integer number (2023308).

Almost surely, 2^20652272 is an apocalyptic number.

It is an amenable number.

20652272 is a deficient number, since it is larger than the sum of its proper divisors (19813888).

20652272 is a wasteful number, since it uses less digits than its factorization.

20652272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14600 (or 14594 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20652272 is about 4544.4770876307. The cubic root of 20652272 is about 274.3611484403.

Adding to 20652272 its reverse (27225602), we get a palindrome (47877874).

The spelling of 20652272 in words is "twenty million, six hundred fifty-two thousand, two hundred seventy-two".