20320320020332 has 24 divisors (see below), whose sum is σ = 35821645767936. Its totient is φ = 10085727856848.

The previous prime is 20320320020303. The next prime is 20320320020369. The reversal of 20320320020332 is 23302002302302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19974498 + ... + 20967145.

It is an arithmetic number, because the mean of its divisors is an integer number (1492568573664).

Almost surely, 2^{20320320020332} is an apocalyptic number.

It is an amenable number.

20320320020332 is a deficient number, since it is larger than the sum of its proper divisors (15501325747604).

20320320020332 is a wasteful number, since it uses less digits than its factorization.

20320320020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40942557 (or 40942555 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 20320320020332 its reverse (23302002302302), we get a palindrome (43622322322634).

The spelling of 20320320020332 in words is "twenty trillion, three hundred twenty billion, three hundred twenty million, twenty thousand, three hundred thirty-two".