20236630 has 16 divisors (see below), whose sum is σ = 38568960. Its totient is φ = 7618432.

The previous prime is 20236621. The next prime is 20236637. The reversal of 20236630 is 3663202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20236637) 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, 59350 + ... + 59689.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 2^20236630 is an apocalyptic number.

20236630 is a deficient number, since it is larger than the sum of its proper divisors (18332330).

20236630 is a wasteful number, since it uses less digits than its factorization.

20236630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119063.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 20236630 is about 4498.5141991551. The cubic root of 20236630 is about 272.5080883047.

Adding to 20236630 its reverse (3663202), we get a palindrome (23899832).

The spelling of 20236630 in words is "twenty million, two hundred thirty-six thousand, six hundred thirty".