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2220200000000 = 295817653
BaseRepresentation
bin100000010011101110001…
…110110111101000000000
321212020201112222212010122
4200103232032313220000
5242333432200000000
64415540143115412
7316255424423243
oct40235616675000
97766645885118
102220200000000
11786644023a64
122ba3585a2b68
13131496815468
147965b63925a
153cb44a27085
hex204ee3b7a00

2220200000000 has 360 divisors, whose sum is σ = 5880248942436. Its totient is φ = 834560000000.

The previous prime is 2220199999967. The next prime is 2220200000027. The reversal of 2220200000000 is 20222.

It can be written as a sum of positive squares in 18 ways, for example, as 1591997921536 + 628202078464 = 1261744^2 + 792592^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3399999674 + ... + 3400000326.

Almost surely, 22220200000000 is an apocalyptic number.

2220200000000 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 2220200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940124471218).

2220200000000 is an abundant number, since it is smaller than the sum of its proper divisors (3660048942436).

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

2220200000000 is an frugal number, since it uses more digits than its factorization.

2220200000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 2220200000000 its reverse (20222), we get a palindrome (2220200020222).

The spelling of 2220200000000 in words is "two trillion, two hundred twenty billion, two hundred million", and thus it is an aban number.