20301210220 has 24 divisors (see below), whose sum is σ = 42635414304. Its totient is φ = 8119936896.

The previous prime is 20301210197. The next prime is 20301210253. The reversal of 20301210220 is 2201210302.

It is a self number, because there is not a number n which added to its sum of digits gives 20301210220.

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, 412024 + ... + 458656.

It is an arithmetic number, because the mean of its divisors is an integer number (1776475596).

Almost surely, 2^20301210220 is an apocalyptic number.

20301210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301210220 is an abundant number, since it is smaller than the sum of its proper divisors (22334204084).

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

20301210220 is a wasteful number, since it uses less digits than its factorization.

20301210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68409 (or 68407 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20301210220 its reverse (2201210302), we get a palindrome (22502420522).

The spelling of 20301210220 in words is "twenty billion, three hundred one million, two hundred ten thousand, two hundred twenty".