20602244 has 12 divisors (see below), whose sum is σ = 38827404. Its totient is φ = 9508704.

The previous prime is 20602243. The next prime is 20602261. The reversal of 20602244 is 44220602.

It can be written as a sum of positive squares in 2 ways, for example, as 1592644 + 19009600 = 1262^2 + 4360^2 .

It is not an unprimeable number, because it can be changed into a prime (20602243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198047 + ... + 198150.

It is an arithmetic number, because the mean of its divisors is an integer number (3235617).

Almost surely, 2^20602244 is an apocalyptic number.

It is an amenable number.

20602244 is a deficient number, since it is larger than the sum of its proper divisors (18225160).

20602244 is a wasteful number, since it uses less digits than its factorization.

20602244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396214 (or 396212 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20602244 is about 4538.9694865685. The cubic root of 20602244 is about 274.1394321156.

Adding to 20602244 its reverse (44220602), we get a palindrome (64822846).

The spelling of 20602244 in words is "twenty million, six hundred two thousand, two hundred forty-four".