99005513420 has 144 divisors (see below), whose sum is σ = 242897508000. Its totient is φ = 33595161600.

The previous prime is 99005513407. The next prime is 99005513423. The reversal of 99005513420 is 2431550099.

It is not an unprimeable number, because it can be changed into a prime (99005513423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4761206 + ... + 4781954.

It is an arithmetic number, because the mean of its divisors is an integer number (1686788250).

Almost surely, 2^99005513420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99005513420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121448754000).

99005513420 is an abundant number, since it is smaller than the sum of its proper divisors (143891994580).

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

99005513420 is a wasteful number, since it uses less digits than its factorization.

99005513420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20856 (or 20831 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 99005513420 in words is "ninety-nine billion, five million, five hundred thirteen thousand, four hundred twenty".