990021200202003 has 8 divisors (see below), whose sum is σ = 1324899219951616. Its totient is φ = 657578656960200.

The previous prime is 990021200201977. The next prime is 990021200202007. The reversal of 990021200202003 is 300202002120099.

It is a happy number.

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

It is not a de Polignac number, because 990021200202003 - 2⁶ = 990021200201939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990021200202007) 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, 608869126003 + ... + 608869127628.

It is an arithmetic number, because the mean of its divisors is an integer number (165612402493952).

Almost surely, 2^{990021200202003} is an apocalyptic number.

990021200202003 is a deficient number, since it is larger than the sum of its proper divisors (334878019749613).

990021200202003 is a wasteful number, since it uses less digits than its factorization.

990021200202003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217738253905.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 990021200202003 in words is "nine hundred ninety trillion, twenty-one billion, two hundred million, two hundred two thousand, three".