2002132001 has 4 divisors (see below), whose sum is σ = 2002547904. Its totient is φ = 2001716100.

The previous prime is 2002131983. The next prime is 2002132003. The reversal of 2002132001 is 1002312002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002132001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002132003) 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, 200645 + ... + 210386.

It is an arithmetic number, because the mean of its divisors is an integer number (500636976).

Almost surely, 2^2002132001 is an apocalyptic number.

It is an amenable number.

2002132001 is a deficient number, since it is larger than the sum of its proper divisors (415903).

2002132001 is an equidigital number, since it uses as much as digits as its factorization.

2002132001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415902.

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

The square root of 2002132001 is about 44745.1896967708. The cubic root of 2002132001 is about 1260.3685830654.

Adding to 2002132001 its reverse (1002312002), we get a palindrome (3004444003).

The spelling of 2002132001 in words is "two billion, two million, one hundred thirty-two thousand, one".