20332312330 has 32 divisors (see below), whose sum is σ = 40774752000. Its totient is φ = 7236256320.

The previous prime is 20332312313. The next prime is 20332312361. The reversal of 20332312330 is 3321323302.

It is a super-3 number, since 3×20332312330³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1961205 + ... + 1971544.

It is an arithmetic number, because the mean of its divisors is an integer number (1274211000).

Almost surely, 2^20332312330 is an apocalyptic number.

20332312330 is an abundant number, since it is smaller than the sum of its proper divisors (20442439670).

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

20332312330 is a wasteful number, since it uses less digits than its factorization.

20332312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932814.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20332312330 its reverse (3321323302), we get a palindrome (23653635632).

The spelling of 20332312330 in words is "twenty billion, three hundred thirty-two million, three hundred twelve thousand, three hundred thirty".