20305352332032 has 36 divisors (see below), whose sum is σ = 54041849177400. Its totient is φ = 6768450777088.

The previous prime is 20305352332021. The next prime is 20305352332073. The reversal of 20305352332032 is 23023325350302.

It is a junction number, because it is equal to n+sod(n) for n = 20305352331984 and 20305352332002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13219629657 + ... + 13219631192.

It is an arithmetic number, because the mean of its divisors is an integer number (1501162477150).

Almost surely, 2^{20305352332032} is an apocalyptic number.

It is an amenable number.

20305352332032 is an abundant number, since it is smaller than the sum of its proper divisors (33736496845368).

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

20305352332032 is an equidigital number, since it uses as much as digits as its factorization.

20305352332032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26439260868 (or 26439260854 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 33.

Adding to 20305352332032 its reverse (23023325350302), we get a palindrome (43328677682334).

The spelling of 20305352332032 in words is "twenty trillion, three hundred five billion, three hundred fifty-two million, three hundred thirty-two thousand, thirty-two".