2220100202020 has 96 divisors (see below), whose sum is σ = 5037242515200. Its totient is φ = 819393974784.

The previous prime is 2220100202011. The next prime is 2220100202029. The reversal of 2220100202020 is 202020010222.

It is an interprime number because it is at equal distance from previous prime (2220100202011) and next prime (2220100202029).

It is not an unprimeable number, because it can be changed into a prime (2220100202029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14719027 + ... + 14869093.

It is an arithmetic number, because the mean of its divisors is an integer number (52471276200).

Almost surely, 2^{2220100202020} is an apocalyptic number.

2220100202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220100202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2518621257600).

2220100202020 is an abundant number, since it is smaller than the sum of its proper divisors (2817142313180).

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

2220100202020 is a wasteful number, since it uses less digits than its factorization.

2220100202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151237 (or 151235 counting only the distinct ones).

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

Adding to 2220100202020 its reverse (202020010222), we get a palindrome (2422120212242).

The spelling of 2220100202020 in words is "two trillion, two hundred twenty billion, one hundred million, two hundred two thousand, twenty".