20362274 has 4 divisors (see below), whose sum is σ = 30543414. Its totient is φ = 10181136.

The previous prime is 20362271. The next prime is 20362289. The reversal of 20362274 is 47226302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18861649 + 1500625 = 4343^2 + 1225^2 .

It is not an unprimeable number, because it can be changed into a prime (20362271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5090567 + ... + 5090570.

Almost surely, 2^20362274 is an apocalyptic number.

20362274 is a deficient number, since it is larger than the sum of its proper divisors (10181140).

20362274 is a wasteful number, since it uses less digits than its factorization.

20362274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181139.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 20362274 is about 4512.4576452306. The cubic root of 20362274 is about 273.0709025229.

Adding to 20362274 its reverse (47226302), we get a palindrome (67588576).

The spelling of 20362274 in words is "twenty million, three hundred sixty-two thousand, two hundred seventy-four".