2220736320 has 168 divisors, whose sum is σ = 8332927200. Its totient is φ = 538352640.

The previous prime is 2220736303. The next prime is 2220736327. The reversal of 2220736320 is 236370222.

2220736320 is a `hidden beast` number, since 2 + 2 + 20 + 7 + 3 + 632 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220736327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3370 + ... + 66729.

Almost surely, 2^2220736320 is an apocalyptic number.

2220736320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220736320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4166463600).

2220736320 is an abundant number, since it is smaller than the sum of its proper divisors (6112190880).

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

2220736320 is a wasteful number, since it uses less digits than its factorization.

2220736320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70133 (or 70120 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 2220736320 is about 47124.6890705923. The cubic root of 2220736320 is about 1304.6649600117.

The spelling of 2220736320 in words is "two billion, two hundred twenty million, seven hundred thirty-six thousand, three hundred twenty".