2105232066 has 32 divisors (see below), whose sum is σ = 5346622080. Its totient is φ = 601494768.

The previous prime is 2105232047. The next prime is 2105232071. The reversal of 2105232066 is 6602325012.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 2784321 + ... + 2785076.

It is an arithmetic number, because the mean of its divisors is an integer number (167081940).

Almost surely, 2^2105232066 is an apocalyptic number.

2105232066 is an abundant number, since it is smaller than the sum of its proper divisors (3241390014).

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

2105232066 is a wasteful number, since it uses less digits than its factorization.

2105232066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5569415 (or 5569409 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2105232066 is about 45882.8079567936. The cubic root of 2105232066 is about 1281.6417869043.

Adding to 2105232066 its reverse (6602325012), we get a palindrome (8707557078).

The spelling of 2105232066 in words is "two billion, one hundred five million, two hundred thirty-two thousand, sixty-six".