2001890102 has 8 divisors (see below), whose sum is σ = 3003739200. Its totient is φ = 1000643704.

The previous prime is 2001890089. The next prime is 2001890113. The reversal of 2001890102 is 2010981002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142277 + ... + 155712.

It is an arithmetic number, because the mean of its divisors is an integer number (375467400).

Almost surely, 2^2001890102 is an apocalyptic number.

2001890102 is a deficient number, since it is larger than the sum of its proper divisors (1001849098).

2001890102 is a wasteful number, since it uses less digits than its factorization.

2001890102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301350.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 2001890102 is about 44742.4865424353. The cubic root of 2001890102 is about 1260.3178214807.

The spelling of 2001890102 in words is "two billion, one million, eight hundred ninety thousand, one hundred two".