2002581106 has 4 divisors (see below), whose sum is σ = 3003871662. Its totient is φ = 1001290552.

The previous prime is 2002581083. The next prime is 2002581107. The reversal of 2002581106 is 6011852002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1968253225 + 34327881 = 44365^2 + 5859^2 .

It is a super-2 number, since 2×2002581106² = 8020662172216366472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2002581107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500645275 + ... + 500645278.

Almost surely, 2^2002581106 is an apocalyptic number.

2002581106 is a deficient number, since it is larger than the sum of its proper divisors (1001290556).

2002581106 is a wasteful number, since it uses less digits than its factorization.

2002581106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001290555.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 2002581106 is about 44750.2078877853. The cubic root of 2002581106 is about 1260.4628151996.

The spelling of 2002581106 in words is "two billion, two million, five hundred eighty-one thousand, one hundred six".