20330032013220 has 48 divisors (see below), whose sum is σ = 56925199094400. Its totient is φ = 5421236207616.

The previous prime is 20330032013201. The next prime is 20330032013231. The reversal of 20330032013220 is 2231023003302.

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, 173320 + ... + 6378879.

It is an arithmetic number, because the mean of its divisors is an integer number (1185941647800).

Almost surely, 2^{20330032013220} is an apocalyptic number.

20330032013220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20330032013220 is an abundant number, since it is smaller than the sum of its proper divisors (36595167081180).

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

20330032013220 is a wasteful number, since it uses less digits than its factorization.

20330032013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6603924 (or 6603922 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20330032013220 its reverse (2231023003302), we get a palindrome (22561055016522).

The spelling of 20330032013220 in words is "twenty trillion, three hundred thirty billion, thirty-two million, thirteen thousand, two hundred twenty".