20301303220 has 24 divisors (see below), whose sum is σ = 46508440608. Its totient is φ = 7382292000.

The previous prime is 20301303181. The next prime is 20301303271. The reversal of 20301303220 is 2230310302.

It is a junction number, because it is equal to n+sod(n) for n = 20301303194 and 20301303203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46139106 + ... + 46139545.

It is an arithmetic number, because the mean of its divisors is an integer number (1937851692).

Almost surely, 2^20301303220 is an apocalyptic number.

20301303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301303220 is an abundant number, since it is smaller than the sum of its proper divisors (26207137388).

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

20301303220 is a wasteful number, since it uses less digits than its factorization.

20301303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92278671 (or 92278669 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20301303220 its reverse (2230310302), we get a palindrome (22531613522).

The spelling of 20301303220 in words is "twenty billion, three hundred one million, three hundred three thousand, two hundred twenty".