20301332330 has 16 divisors (see below), whose sum is σ = 36544020264. Its totient is φ = 8120172480.

The previous prime is 20301332281. The next prime is 20301332333. The reversal of 20301332330 is 3323310302.

It can be written as a sum of positive squares in 4 ways, for example, as 20004424969 + 296907361 = 141437^2 + 17231^2 .

It is not an unprimeable number, because it can be changed into a prime (20301332333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428000 + ... + 473060.

Almost surely, 2^20301332330 is an apocalyptic number.

20301332330 is a deficient number, since it is larger than the sum of its proper divisors (16242687934).

20301332330 is a wasteful number, since it uses less digits than its factorization.

20301332330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90121.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20301332330 its reverse (3323310302), we get a palindrome (23624642632).

The spelling of 20301332330 in words is "twenty billion, three hundred one million, three hundred thirty-two thousand, three hundred thirty".