284009303220 has 48 divisors (see below), whose sum is σ = 796126793280. Its totient is φ = 75650029056.

The previous prime is 284009303203. The next prime is 284009303233. The reversal of 284009303220 is 22303900482.

It is a super-2 number, since 2×284009303220² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2627365 + ... + 2733324.

It is an arithmetic number, because the mean of its divisors is an integer number (16585974860).

Almost surely, 2^284009303220 is an apocalyptic number.

284009303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284009303220 is an abundant number, since it is smaller than the sum of its proper divisors (512117490060).

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

284009303220 is a wasteful number, since it uses less digits than its factorization.

284009303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361584 (or 5361582 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 284009303220 in words is "two hundred eighty-four billion, nine million, three hundred three thousand, two hundred twenty".