320226787830 has 16 divisors (see below), whose sum is σ = 768544290864. Its totient is φ = 85393810080.

The previous prime is 320226787823. The next prime is 320226787849. The reversal of 320226787830 is 38787622023.

It is a super-2 number, since 2×320226787830² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320226787830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5337113101 + ... + 5337113160.

It is an arithmetic number, because the mean of its divisors is an integer number (48034018179).

Almost surely, 2^320226787830 is an apocalyptic number.

320226787830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320226787830 is an abundant number, since it is smaller than the sum of its proper divisors (448317503034).

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

320226787830 is a wasteful number, since it uses less digits than its factorization.

320226787830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10674226271.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 320226787830 in words is "three hundred twenty billion, two hundred twenty-six million, seven hundred eighty-seven thousand, eight hundred thirty".