2002001002 has 32 divisors (see below), whose sum is σ = 3128170752. Its totient is φ = 960321024.

The previous prime is 2002000969. The next prime is 2002001021. The reversal of 2002001002 is 2001002002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067938 + ... + 1069810.

It is an arithmetic number, because the mean of its divisors is an integer number (97755336).

Almost surely, 2^2002001002 is an apocalyptic number.

2002001002 is a deficient number, since it is larger than the sum of its proper divisors (1126169750).

2002001002 is a wasteful number, since it uses less digits than its factorization.

2002001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2002001002 is about 44743.7258394962. The cubic root of 2002001002 is about 1260.3410939313.

Adding to 2002001002 its reverse (2001002002), we get a palindrome (4003003004).

The spelling of 2002001002 in words is "two billion, two million, one thousand, two".