2020020220 has 12 divisors (see below), whose sum is σ = 4242042504. Its totient is φ = 808008080.

The previous prime is 2020020203. The next prime is 2020020227. The reversal of 2020020220 is 220200202.

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

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 2020020197 and 2020020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020020227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50500486 + ... + 50500525.

It is an arithmetic number, because the mean of its divisors is an integer number (353503542).

Almost surely, 2^2020020220 is an apocalyptic number.

2020020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020020220 is an abundant number, since it is smaller than the sum of its proper divisors (2222022284).

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

2020020220 is a wasteful number, since it uses less digits than its factorization.

2020020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101001020 (or 101001018 counting only the distinct ones).

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

The square root of 2020020220 is about 44944.6350524732. The cubic root of 2020020220 is about 1264.1110827107. Note that the first 3 decimals are identical.

Adding to 2020020220 its reverse (220200202), we get a palindrome (2240220422).

The spelling of 2020020220 in words is "two billion, twenty million, twenty thousand, two hundred twenty".