20360442 has 16 divisors (see below), whose sum is σ = 41015520. Its totient is φ = 6737712.

The previous prime is 20360423. The next prime is 20360449. The reversal of 20360442 is 24406302.

It is not an unprimeable number, because it can be changed into a prime (20360449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11373 + ... + 13040.

It is an arithmetic number, because the mean of its divisors is an integer number (2563470).

Almost surely, 2^20360442 is an apocalyptic number.

20360442 is an abundant number, since it is smaller than the sum of its proper divisors (20655078).

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

20360442 is a wasteful number, since it uses less digits than its factorization.

20360442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24557.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 20360442 is about 4512.2546470695. The cubic root of 20360442 is about 273.0627128532.

Adding to 20360442 its reverse (24406302), we get a palindrome (44766744).

It can be divided in two parts, 20360 and 442, that added together give a palindrome (20802).

The spelling of 20360442 in words is "twenty million, three hundred sixty thousand, four hundred forty-two".