20200320220 has 48 divisors (see below), whose sum is σ = 42754420800. Its totient is φ = 8016712704.

The previous prime is 20200320191. The next prime is 20200320233. The reversal of 20200320220 is 2202300202.

It is a self number, because there is not a number n which added to its sum of digits gives 20200320220.

It is a congruent number.

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, 2278356 + ... + 2287204.

It is an arithmetic number, because the mean of its divisors is an integer number (890717100).

Almost surely, 2^20200320220 is an apocalyptic number.

20200320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200320220 is an abundant number, since it is smaller than the sum of its proper divisors (22554100580).

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

20200320220 is a wasteful number, since it uses less digits than its factorization.

20200320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9742 (or 9740 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 20200320220 its reverse (2202300202), we get a palindrome (22402620422).

The spelling of 20200320220 in words is "twenty billion, two hundred million, three hundred twenty thousand, two hundred twenty".