20362442 has 8 divisors (see below), whose sum is σ = 30583332. Its totient is φ = 10168000.

The previous prime is 20362427. The next prime is 20362453. The reversal of 20362442 is 24426302.

It can be written as a sum of positive squares in 2 ways, for example, as 19704721 + 657721 = 4439^2 + 811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 4559 + ... + 7842.

Almost surely, 2^20362442 is an apocalyptic number.

20362442 is a deficient number, since it is larger than the sum of its proper divisors (10220890).

20362442 is a wasteful number, since it uses less digits than its factorization.

20362442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13224.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 20362442 is about 4512.4762603254. The cubic root of 20362442 is about 273.0716535161.

Adding to 20362442 its reverse (24426302), we get a palindrome (44788744).

The spelling of 20362442 in words is "twenty million, three hundred sixty-two thousand, four hundred forty-two".