20362 has 4 divisors (see below), whose sum is σ = 30546. Its totient is φ = 10180.

The previous prime is 20359. The next prime is 20369. The reversal of 20362 is 26302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26302 = 2 ⋅13151.

It can be written as a sum of positive squares in only one way, i.e., 16641 + 3721 = 129^2 + 61^2 .

It is a super-2 number, since 2×20362² = 829222088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5089 + ... + 5092.

2²⁰³⁶² is an apocalyptic number.

20362 is a deficient number, since it is larger than the sum of its proper divisors (10184).

20362 is a wasteful number, since it uses less digits than its factorization.

20362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20362 is about 142.6954799564. The cubic root of 20362 is about 27.3069677680.

Adding to 20362 its reverse (26302), we get a palindrome (46664).

The spelling of 20362 in words is "twenty thousand, three hundred sixty-two".