2666620022 has 24 divisors (see below), whose sum is σ = 4403711928. Its totient is φ = 1210144320.

The previous prime is 2666620013. The next prime is 2666620043. The reversal of 2666620022 is 2200266662.

It is a super-2 number, since 2×2666620022² = 14221724683462560968, which contains 22 as substring.

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, 147038 + ... + 164174.

It is an arithmetic number, because the mean of its divisors is an integer number (183487997).

Almost surely, 2^2666620022 is an apocalyptic number.

2666620022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2666620022 is a deficient number, since it is larger than the sum of its proper divisors (1737091906).

2666620022 is a wasteful number, since it uses less digits than its factorization.

2666620022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17804 (or 17793 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2666620022 is about 51639.3263124143. The cubic root of 2666620022 is about 1386.7144632527.

Adding to 2666620022 its reverse (2200266662), we get a palindrome (4866886684).

The spelling of 2666620022 in words is "two billion, six hundred sixty-six million, six hundred twenty thousand, twenty-two".