20020200220 has 12 divisors (see below), whose sum is σ = 42042420504. Its totient is φ = 8008080080.

The previous prime is 20020200217. The next prime is 20020200223. The reversal of 20020200220 is 2200202002.

It is an interprime number because it is at equal distance from previous prime (20020200217) and next prime (20020200223).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20020200197 and 20020200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020200223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500504986 + ... + 500505025.

It is an arithmetic number, because the mean of its divisors is an integer number (3503535042).

Almost surely, 2^20020200220 is an apocalyptic number.

20020200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020200220 is an abundant number, since it is smaller than the sum of its proper divisors (22022220284).

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

20020200220 is a wasteful number, since it uses less digits than its factorization.

20020200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001010020 (or 1001010018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20020200220 its reverse (2200202002), we get a palindrome (22220402222).

The spelling of 20020200220 in words is "twenty billion, twenty million, two hundred thousand, two hundred twenty".