20320030330 has 32 divisors (see below), whose sum is σ = 36704686608. Its totient is φ = 8099481600.

The previous prime is 20320030273. The next prime is 20320030441. The reversal of 20320030330 is 3303002302.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4327139961 + 15992890369 = 65781^2 + 126463^2 .

It is a super-3 number, since 3×20320030330³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3638140 + ... + 3643720.

Almost surely, 2^20320030330 is an apocalyptic number.

20320030330 is a deficient number, since it is larger than the sum of its proper divisors (16384656278).

20320030330 is a wasteful number, since it uses less digits than its factorization.

20320030330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802.

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 20320030330 its reverse (3303002302), we get a palindrome (23623032632).

The spelling of 20320030330 in words is "twenty billion, three hundred twenty million, thirty thousand, three hundred thirty".