20000322 has 24 divisors (see below), whose sum is σ = 43721964. Its totient is φ = 6607104.

The previous prime is 20000311. The next prime is 20000327. The reversal of 20000322 is 22300002.

It can be written as a sum of positive squares in 2 ways, for example, as 18071001 + 1929321 = 4251^2 + 1389^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20000327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2883 + ... + 6950.

Almost surely, 2^20000322 is an apocalyptic number.

20000322 is an abundant number, since it is smaller than the sum of its proper divisors (23721642).

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

20000322 is a wasteful number, since it uses less digits than its factorization.

20000322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954 (or 9951 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 20000322 is about 4472.1719555491. The cubic root of 20000322 is about 271.4432183891.

Adding to 20000322 its reverse (22300002), we get a palindrome (42300324).

The spelling of 20000322 in words is "twenty million, three hundred twenty-two", and thus it is an aban number.