220862402280 has 432 divisors, whose sum is σ = 791462325420. Its totient is φ = 53380933632.

The previous prime is 220862402263. The next prime is 220862402281. The reversal of 220862402280 is 82204268022.

220862402280 is a `hidden beast` number, since 2 + 2 + 0 + 8 + 624 + 0 + 2 + 28 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 27084601476 + 193777800804 = 164574^2 + 440202^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (220862402281) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 990414249 + ... + 990414471.

Almost surely, 2^220862402280 is an apocalyptic number.

220862402280 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 220862402280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395731162710).

220862402280 is an abundant number, since it is smaller than the sum of its proper divisors (570599923140).

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

220862402280 is a wasteful number, since it uses less digits than its factorization.

220862402280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 220862402280 in words is "two hundred twenty billion, eight hundred sixty-two million, four hundred two thousand, two hundred eighty".