2001102032 has 20 divisors (see below), whose sum is σ = 3879426180. Its totient is φ = 999959808.

The previous prime is 2001102031. The next prime is 2001102053. The reversal of 2001102032 is 2302011002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 441168016 + 1559934016 = 21004^2 + 39496^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001102031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8357 + ... + 63812.

It is an arithmetic number, because the mean of its divisors is an integer number (193971309).

Almost surely, 2^2001102032 is an apocalyptic number.

It is an amenable number.

2001102032 is a deficient number, since it is larger than the sum of its proper divisors (1878324148).

2001102032 is a wasteful number, since it uses less digits than its factorization.

2001102032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73910 (or 73904 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2001102032 is about 44733.6789455104. The cubic root of 2001102032 is about 1260.1524196230.

Adding to 2001102032 its reverse (2302011002), we get a palindrome (4303113034).

The spelling of 2001102032 in words is "two billion, one million, one hundred two thousand, thirty-two".