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220200020280 = 2332515117232351
BaseRepresentation
bin1100110100010011110…
…0011010100100111000
3210001101010012000222200
43031010330122210320
512101432201122110
6245054122350200
721623522201262
oct3150474324470
9701333160880
10220200020280
1185428197439
123681465b360
13179c328a3b6
14a92cb92b32
155adba506c0
hex3344f1a938

220200020280 has 192 divisors, whose sum is σ = 721114168320. Its totient is φ = 58272480000.

The previous prime is 220200020237. The next prime is 220200020281. The reversal of 220200020280 is 82020002022.

It is a super-2 number, since 2×2202000202802 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200020281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93661105 + ... + 93663455.

It is an arithmetic number, because the mean of its divisors is an integer number (3755802960).

Almost surely, 2220200020280 is an apocalyptic number.

220200020280 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 220200020280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360557084160).

220200020280 is an abundant number, since it is smaller than the sum of its proper divisors (500914148040).

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

220200020280 is a wasteful number, since it uses less digits than its factorization.

220200020280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242 (or 4235 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The spelling of 220200020280 in words is "two hundred twenty billion, two hundred million, twenty thousand, two hundred eighty".