2213120032020 has 36 divisors (see below), whose sum is σ = 6713130764340. Its totient is φ = 590165341824.

The previous prime is 2213120031989. The next prime is 2213120032037. The reversal of 2213120032020 is 202300213122.

2213120032020 is a `hidden beast` number, since 221 + 3 + 120 + 0 + 320 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 730019865744 + 1483100166276 = 854412^2 + 1217826^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2213120032020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2213120031984 and 2213120032002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6147555465 + ... + 6147555824.

It is an arithmetic number, because the mean of its divisors is an integer number (186475854565).

Almost surely, 2^{2213120032020} is an apocalyptic number.

2213120032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213120032020 is an abundant number, since it is smaller than the sum of its proper divisors (4500010732320).

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

2213120032020 is a wasteful number, since it uses less digits than its factorization.

2213120032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12295111304 (or 12295111299 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2213120032020 its reverse (202300213122), we get a palindrome (2415420245142).

The spelling of 2213120032020 in words is "two trillion, two hundred thirteen billion, one hundred twenty million, thirty-two thousand, twenty".