20200220220 has 24 divisors (see below), whose sum is σ = 56560616784. Its totient is φ = 5386725376.

The previous prime is 20200220213. The next prime is 20200220239. The reversal of 20200220220 is 2202200202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20200220196 and 20200220205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168335109 + ... + 168335228.

It is an arithmetic number, because the mean of its divisors is an integer number (2356692366).

Almost surely, 2^20200220220 is an apocalyptic number.

20200220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200220220 is an abundant number, since it is smaller than the sum of its proper divisors (36360396564).

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

20200220220 is a wasteful number, since it uses less digits than its factorization.

20200220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336670349 (or 336670347 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20200220220 its reverse (2202200202), we get a palindrome (22402420422).

It can be divided in two parts, 202002 and 20220, that added together give a palindrome (222222).

The spelling of 20200220220 in words is "twenty billion, two hundred million, two hundred twenty thousand, two hundred twenty".