20200202220 has 72 divisors (see below), whose sum is σ = 62169900912. Its totient is φ = 4897016960.

The previous prime is 20200202201. The next prime is 20200202233. The reversal of 20200202220 is 2220200202.

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 = 20200202196 and 20200202205.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1383939 + ... + 1398458.

It is an arithmetic number, because the mean of its divisors is an integer number (863470846).

Almost surely, 2^20200202220 is an apocalyptic number.

20200202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200202220 is an abundant number, since it is smaller than the sum of its proper divisors (41969698692).

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

20200202220 is a wasteful number, since it uses less digits than its factorization.

20200202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782431 (or 2782418 counting only the distinct ones).

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

Adding to 20200202220 its reverse (2220200202), we get a palindrome (22420402422).

The spelling of 20200202220 in words is "twenty billion, two hundred million, two hundred two thousand, two hundred twenty".