20015332330 has 96 divisors (see below), whose sum is σ = 44450629200. Its totient is φ = 6447716352.

The previous prime is 20015332327. The next prime is 20015332357. The reversal of 20015332330 is 3323351002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13491054801 + 6524277529 = 116151^2 + 80773^2 .

It is a super-2 number, since 2×20015332330² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5904276 + ... + 5907664.

Almost surely, 2^20015332330 is an apocalyptic number.

20015332330 is an abundant number, since it is smaller than the sum of its proper divisors (24435296870).

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

20015332330 is a wasteful number, since it uses less digits than its factorization.

20015332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136 (or 4129 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

Adding to 20015332330 its reverse (3323351002), we get a palindrome (23338683332).

The spelling of 20015332330 in words is "twenty billion, fifteen million, three hundred thirty-two thousand, three hundred thirty".