20330302132 has 48 divisors (see below), whose sum is σ = 41629743232. Its totient is φ = 8505544320.

The previous prime is 20330302121. The next prime is 20330302133. The reversal of 20330302132 is 23120303302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330302133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2814958 + ... + 2822170.

Almost surely, 2^20330302132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330302132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20814871616).

20330302132 is an abundant number, since it is smaller than the sum of its proper divisors (21299441100).

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

20330302132 is a wasteful number, since it uses less digits than its factorization.

20330302132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9608 (or 9606 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20330302132 its reverse (23120303302), we get a palindrome (43450605434).

The spelling of 20330302132 in words is "twenty billion, three hundred thirty million, three hundred two thousand, one hundred thirty-two".