20226330 has 24 divisors (see below), whose sum is σ = 52588692. Its totient is φ = 5393664.

The previous prime is 20226313. The next prime is 20226347. The reversal of 20226330 is 3362202.

It is an interprime number because it is at equal distance from previous prime (20226313) and next prime (20226347).

It can be written as a sum of positive squares in 2 ways, for example, as 19000881 + 1225449 = 4359^2 + 1107^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112279 + ... + 112458.

Almost surely, 2^20226330 is an apocalyptic number.

20226330 is an abundant number, since it is smaller than the sum of its proper divisors (32362362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20226330 is a wasteful number, since it uses less digits than its factorization.

20226330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224750 (or 224747 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20226330 is about 4497.3692310061. The cubic root of 20226330 is about 272.4618469155.

Adding to 20226330 its reverse (3362202), we get a palindrome (23588532).

The spelling of 20226330 in words is "twenty million, two hundred twenty-six thousand, three hundred thirty".