2040221155 has 16 divisors (see below), whose sum is σ = 2836350144. Its totient is φ = 1379842560.

The previous prime is 2040221143. The next prime is 2040221171. The reversal of 2040221155 is 5511220402.

It is not a de Polignac number, because 2040221155 - 2²¹ = 2038124003 is a prime.

It is a super-2 number, since 2×2040221155² = 8325004722619068050, which contains 22 as substring.

It is a Duffinian number.

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, 396706 + ... + 401815.

It is an arithmetic number, because the mean of its divisors is an integer number (177271884).

Almost surely, 2^2040221155 is an apocalyptic number.

2040221155 is a deficient number, since it is larger than the sum of its proper divisors (796128989).

2040221155 is an equidigital number, since it uses as much as digits as its factorization.

2040221155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798606.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2040221155 is about 45168.8073231959. The cubic root of 2040221155 is about 1268.3109700055.

Adding to 2040221155 its reverse (5511220402), we get a palindrome (7551441557).

The spelling of 2040221155 in words is "two billion, forty million, two hundred twenty-one thousand, one hundred fifty-five".