2002130001 has 32 divisors (see below), whose sum is σ = 3145824000. Its totient is φ = 1254147840.

The previous prime is 2002129993. The next prime is 2002130003. The reversal of 2002130001 is 1000312002.

It is a happy number.

It is not a de Polignac number, because 2002130001 - 2³ = 2002129993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2002130003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300100 + ... + 306698.

It is an arithmetic number, because the mean of its divisors is an integer number (98307000).

Almost surely, 2^2002130001 is an apocalyptic number.

It is an amenable number.

2002130001 is a deficient number, since it is larger than the sum of its proper divisors (1143693999).

2002130001 is a wasteful number, since it uses less digits than its factorization.

2002130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286 (or 7280 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2002130001 is about 44745.1673479941. The cubic root of 2002130001 is about 1260.3681633898.

Adding to 2002130001 its reverse (1000312002), we get a palindrome (3002442003).

The spelling of 2002130001 in words is "two billion, two million, one hundred thirty thousand, one".