2002131026066 has 32 divisors (see below), whose sum is σ = 3239758429488. Its totient is φ = 924595302400.

The previous prime is 2002131026047. The next prime is 2002131026087. The reversal of 2002131026066 is 6606201312002.

It can be written as a sum of positive squares in 8 ways, for example, as 1716899193025 + 285231833041 = 1310305^2 + 534071^2 .

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, 2191745 + ... + 2967828.

Almost surely, 2^{2002131026066} is an apocalyptic number.

2002131026066 is a deficient number, since it is larger than the sum of its proper divisors (1237627403422).

2002131026066 is a wasteful number, since it uses less digits than its factorization.

2002131026066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159806.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 2002131026066 its reverse (6606201312002), we get a palindrome (8608332338068).

The spelling of 2002131026066 in words is "two trillion, two billion, one hundred thirty-one million, twenty-six thousand, sixty-six".