20362330 has 16 divisors (see below), whose sum is σ = 36726120. Its totient is φ = 8128512.

The previous prime is 20362301. The next prime is 20362339. The reversal of 20362330 is 3326302.

It can be written as a sum of positive squares in 4 ways, for example, as 17969121 + 2393209 = 4239^2 + 1547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20362298 and 20362307.

It is not an unprimeable number, because it can be changed into a prime (20362339) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4006 + ... + 7534.

Almost surely, 2^20362330 is an apocalyptic number.

20362330 is a deficient number, since it is larger than the sum of its proper divisors (16363790).

20362330 is a wasteful number, since it uses less digits than its factorization.

20362330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 20362330 is about 4512.4638502707. The cubic root of 20362330 is about 273.0711528544.

Adding to 20362330 its reverse (3326302), we get a palindrome (23688632).

The spelling of 20362330 in words is "twenty million, three hundred sixty-two thousand, three hundred thirty".