1002320002001 has 8 divisors (see below), whose sum is σ = 1009356950784. Its totient is φ = 995297343120.

The previous prime is 1002320001979. The next prime is 1002320002007. The reversal of 1002320002001 is 1002000232001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002320002001 - 2²⁶ = 1002252893137 is a prime.

It is a super-2 number, since 2×1002320002001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002320002007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431681 + ... + 3712286.

It is an arithmetic number, because the mean of its divisors is an integer number (126169618848).

Almost surely, 2^{1002320002001} is an apocalyptic number.

It is an amenable number.

1002320002001 is a deficient number, since it is larger than the sum of its proper divisors (7036948783).

1002320002001 is an equidigital number, since it uses as much as digits as its factorization.

1002320002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144951.

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

Adding to 1002320002001 its reverse (1002000232001), we get a palindrome (2004320234002).

The spelling of 1002320002001 in words is "one trillion, two billion, three hundred twenty million, two thousand, one".