10320303220020 has 72 divisors (see below), whose sum is σ = 31307927755104. Its totient is φ = 2751816420288.

The previous prime is 10320303220009. The next prime is 10320303220021. The reversal of 10320303220020 is 2002230302301.

It is a happy number.

10320303220020 is a `hidden beast` number, since 1 + 0 + 320 + 3 + 0 + 322 + 0 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10320303219975 and 10320303220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320303220021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 872494 + ... + 4626213.

It is an arithmetic number, because the mean of its divisors is an integer number (434832329932).

Almost surely, 2^{10320303220020} is an apocalyptic number.

10320303220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320303220020 is an abundant number, since it is smaller than the sum of its proper divisors (20987624535084).

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

10320303220020 is a wasteful number, since it uses less digits than its factorization.

10320303220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5509149 (or 5509144 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 10320303220020 its reverse (2002230302301), we get a palindrome (12322533522321).

The spelling of 10320303220020 in words is "ten trillion, three hundred twenty billion, three hundred three million, two hundred twenty thousand, twenty".