1002010020989 has 8 divisors (see below), whose sum is σ = 1008309738240. Its totient is φ = 995728915456.

The previous prime is 1002010020971. The next prime is 1002010021073. The reversal of 1002010020989 is 9890200102001.

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 1002010020989 - 2²⁰ = 1002008972413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002010026989) 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, 4544909 + ... + 4760274.

It is an arithmetic number, because the mean of its divisors is an integer number (126038717280).

Almost surely, 2^{1002010020989} is an apocalyptic number.

It is an amenable number.

1002010020989 is a deficient number, since it is larger than the sum of its proper divisors (6299717251).

1002010020989 is an equidigital number, since it uses as much as digits as its factorization.

1002010020989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9305859.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 1002010020989 in words is "one trillion, two billion, ten million, twenty thousand, nine hundred eighty-nine".