2104620266 has 12 divisors (see below), whose sum is σ = 3672347778. Its totient is φ = 901980072.

The previous prime is 2104620233. The next prime is 2104620307. The reversal of 2104620266 is 6620264012.

It can be written as a sum of positive squares in only one way, i.e., 1326489241 + 778131025 = 36421^2 + 27895^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10737761 + ... + 10737956.

Almost surely, 2^2104620266 is an apocalyptic number.

2104620266 is a deficient number, since it is larger than the sum of its proper divisors (1567727512).

2104620266 is a wasteful number, since it uses less digits than its factorization.

2104620266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21475733 (or 21475726 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2104620266 is about 45876.1404871857. The cubic root of 2104620266 is about 1281.5176225383.

Adding to 2104620266 its reverse (6620264012), we get a palindrome (8724884278).

The spelling of 2104620266 in words is "two billion, one hundred four million, six hundred twenty thousand, two hundred sixty-six".