20330212302 has 64 divisors (see below), whose sum is σ = 47236608000. Its totient is φ = 6469160544.

The previous prime is 20330212237. The next prime is 20330212303. The reversal of 20330212302 is 20321203302.

It is a happy number.

20330212302 is a `hidden beast` number, since 20 + 330 + 2 + 12 + 302 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330212303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 616099 + ... + 648257.

It is an arithmetic number, because the mean of its divisors is an integer number (738072000).

Almost surely, 2^20330212302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330212302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23618304000).

20330212302 is an abundant number, since it is smaller than the sum of its proper divisors (26906395698).

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

20330212302 is a wasteful number, since it uses less digits than its factorization.

20330212302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32702 (or 32696 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20330212302 its reverse (20321203302), we get a palindrome (40651415604).

The spelling of 20330212302 in words is "twenty billion, three hundred thirty million, two hundred twelve thousand, three hundred two".