20020322 has 48 divisors (see below), whose sum is σ = 37785528. Its totient is φ = 7902720.

The previous prime is 20020307. The next prime is 20020331. The reversal of 20020322 is 22302002.

It can be written as a sum of positive squares in 4 ways, for example, as 19018321 + 1002001 = 4361^2 + 1001^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101528 + ... + 101724.

Almost surely, 2^20020322 is an apocalyptic number.

20020322 is a deficient number, since it is larger than the sum of its proper divisors (17765206).

20020322 is a wasteful number, since it uses less digits than its factorization.

20020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 20020322 is about 4474.4074468023. The cubic root of 20020322 is about 271.5336678626.

Adding to 20020322 its reverse (22302002), we get a palindrome (42322324).

The spelling of 20020322 in words is "twenty million, twenty thousand, three hundred twenty-two".