2101807632 has 80 divisors (see below), whose sum is σ = 5477649408. Its totient is φ = 694446720.

The previous prime is 2101807627. The next prime is 2101807633. The reversal of 2101807632 is 2367081012.

It is a self number, because there is not a number n which added to its sum of digits gives 2101807632.

It is not an unprimeable number, because it can be changed into a prime (2101807633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4178293 + ... + 4178795.

Almost surely, 2^2101807632 is an apocalyptic number.

It is an amenable number.

2101807632 is an abundant number, since it is smaller than the sum of its proper divisors (3375841776).

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

2101807632 is a wasteful number, since it uses less digits than its factorization.

2101807632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2101807632 is about 45845.4755892007. The cubic root of 2101807632 is about 1280.9464907041.

Adding to 2101807632 its reverse (2367081012), we get a palindrome (4468888644).

The spelling of 2101807632 in words is "two billion, one hundred one million, eight hundred seven thousand, six hundred thirty-two".