99021004620 has 48 divisors (see below), whose sum is σ = 277920599040. Its totient is φ = 26342574016.

The previous prime is 99021004619. The next prime is 99021004651. The reversal of 99021004620 is 2640012099.

It is a super-3 number, since 3×99021004620³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1944252 + ... + 1994531.

It is an arithmetic number, because the mean of its divisors is an integer number (5790012480).

Almost surely, 2^99021004620 is an apocalyptic number.

It is an amenable number.

99021004620 is an abundant number, since it is smaller than the sum of its proper divisors (178899594420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99021004620 is a wasteful number, since it uses less digits than its factorization.

99021004620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939214 (or 3939212 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 99021004620 in words is "ninety-nine billion, twenty-one million, four thousand, six hundred twenty".