20330030106 has 40 divisors (see below), whose sum is σ = 45617251680. Its totient is φ = 6767316072.

The previous prime is 20330030081. The next prime is 20330030107. The reversal of 20330030106 is 60103003302.

It is a happy number.

It is a super-2 number, since 2×20330030106² (a number of 21 digits) contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20330030107) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 31465 + ... + 204083.

It is an arithmetic number, because the mean of its divisors is an integer number (1140431292).

Almost surely, 2^20330030106 is an apocalyptic number.

20330030106 is an abundant number, since it is smaller than the sum of its proper divisors (25287221574).

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

20330030106 is a wasteful number, since it uses less digits than its factorization.

20330030106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173360 (or 173351 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20330030106 its reverse (60103003302), we get a palindrome (80433033408).

The spelling of 20330030106 in words is "twenty billion, three hundred thirty million, thirty thousand, one hundred six".