2021002200220 has 48 divisors (see below), whose sum is σ = 4317994487520. Its totient is φ = 794339038976.

The previous prime is 2021002200197. The next prime is 2021002200223. The reversal of 2021002200220 is 220022001202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021002200220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021002200223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224374 + ... + 2998306.

It is an arithmetic number, because the mean of its divisors is an integer number (89958218490).

Almost surely, 2^{2021002200220} is an apocalyptic number.

2021002200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021002200220 is an abundant number, since it is smaller than the sum of its proper divisors (2296992287300).

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

2021002200220 is a wasteful number, since it uses less digits than its factorization.

2021002200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776214 (or 776212 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2021002200220 its reverse (220022001202), we get a palindrome (2241024201422).

It can be divided in two parts, 2021002 and 200220, that added together give a palindrome (2221222).

The spelling of 2021002200220 in words is "two trillion, twenty-one billion, two million, two hundred thousand, two hundred twenty".