2102220263 has 16 divisors (see below), whose sum is σ = 2577125376. Its totient is φ = 1687398240.

The previous prime is 2102220259. The next prime is 2102220271. The reversal of 2102220263 is 3620222012.

It is not a de Polignac number, because 2102220263 - 2² = 2102220259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102220203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316295 + ... + 322872.

It is an arithmetic number, because the mean of its divisors is an integer number (161070336).

Almost surely, 2^2102220263 is an apocalyptic number.

2102220263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2102220263 is a deficient number, since it is larger than the sum of its proper divisors (474905113).

2102220263 is a wasteful number, since it uses less digits than its factorization.

2102220263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639214.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2102220263 is about 45849.9756052280. The cubic root of 2102220263 is about 1281.0303111955.

Adding to 2102220263 its reverse (3620222012), we get a palindrome (5722442275).

The spelling of 2102220263 in words is "two billion, one hundred two million, two hundred twenty thousand, two hundred sixty-three".