2123002220 has 48 divisors (see below), whose sum is σ = 4608188928. Its totient is φ = 821088960.

The previous prime is 2123002201. The next prime is 2123002229. The reversal of 2123002220 is 222003212.

It is a super-2 number, since 2×2123002220² = 9014276852249856800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123002195 and 2123002204.

It is not an unprimeable number, because it can be changed into a prime (2123002229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64415 + ... + 91625.

It is an arithmetic number, because the mean of its divisors is an integer number (96003936).

Almost surely, 2^2123002220 is an apocalyptic number.

2123002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123002220 is an abundant number, since it is smaller than the sum of its proper divisors (2485186708).

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

2123002220 is a wasteful number, since it uses less digits than its factorization.

2123002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27350 (or 27348 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2123002220 is about 46076.0482246470. The cubic root of 2123002220 is about 1285.2377784232.

Adding to 2123002220 its reverse (222003212), we get a palindrome (2345005432).

The spelling of 2123002220 in words is "two billion, one hundred twenty-three million, two thousand, two hundred twenty".