20020220210220 has 48 divisors (see below), whose sum is σ = 56139418204128. Its totient is φ = 5330839521280.

The previous prime is 20020220210213. The next prime is 20020220210261. The reversal of 20020220210220 is 2201202202002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20020220210220.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 246392421 + ... + 246473660.

It is an arithmetic number, because the mean of its divisors is an integer number (1169571212586).

Almost surely, 2^{20020220210220} is an apocalyptic number.

20020220210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020220210220 is an abundant number, since it is smaller than the sum of its proper divisors (36119197993908).

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

20020220210220 is a wasteful number, since it uses less digits than its factorization.

20020220210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492866770 (or 492866768 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20020220210220 its reverse (2201202202002), we get a palindrome (22221422412222).

The spelling of 20020220210220 in words is "twenty trillion, twenty billion, two hundred twenty million, two hundred ten thousand, two hundred twenty".