99219020 has 12 divisors (see below), whose sum is σ = 208359984. Its totient is φ = 39687600.

The previous prime is 99218971. The next prime is 99219031. The reversal of 99219020 is 2091299.

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, 2480456 + ... + 2480495.

It is an arithmetic number, because the mean of its divisors is an integer number (17363332).

Almost surely, 2^99219020 is an apocalyptic number.

It is an amenable number.

99219020 is an abundant number, since it is smaller than the sum of its proper divisors (109140964).

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

99219020 is a wasteful number, since it uses less digits than its factorization.

99219020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960960 (or 4960958 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 99219020 is about 9960.8744596044. The cubic root of 99219020 is about 462.9473946891.

The spelling of 99219020 in words is "ninety-nine million, two hundred nineteen thousand, twenty".