2102002266 has 32 divisors (see below), whose sum is σ = 5174160768. Its totient is φ = 554374080.

The previous prime is 2102002249. The next prime is 2102002271. The reversal of 2102002266 is 6622002012.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1924365 + ... + 1925456.

It is an arithmetic number, because the mean of its divisors is an integer number (161692524).

Almost surely, 2^2102002266 is an apocalyptic number.

2102002266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2102002266 is an abundant number, since it is smaller than the sum of its proper divisors (3072158502).

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

2102002266 is a wasteful number, since it uses less digits than its factorization.

2102002266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849846.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2102002266 is about 45847.5982577059. The cubic root of 2102002266 is about 1280.9860293755.

Adding to 2102002266 its reverse (6622002012), we get a palindrome (8724004278).

The spelling of 2102002266 in words is "two billion, one hundred two million, two thousand, two hundred sixty-six".