20332244 has 6 divisors (see below), whose sum is σ = 35581434. Its totient is φ = 10166120.

The previous prime is 20332243. The next prime is 20332259. The reversal of 20332244 is 44223302.

It can be written as a sum of positive squares in only one way, i.e., 17960644 + 2371600 = 4238^2 + 1540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2541527 + ... + 2541534.

It is an arithmetic number, because the mean of its divisors is an integer number (5930239).

Almost surely, 2^20332244 is an apocalyptic number.

It is an amenable number.

20332244 is a deficient number, since it is larger than the sum of its proper divisors (15249190).

20332244 is a wasteful number, since it uses less digits than its factorization.

20332244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083065 (or 5083063 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 20332244 is about 4509.1289624494. The cubic root of 20332244 is about 272.9365960804.

Adding to 20332244 its reverse (44223302), we get a palindrome (64555546).

The spelling of 20332244 in words is "twenty million, three hundred thirty-two thousand, two hundred forty-four".