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2213320020 = 22352931371109
BaseRepresentation
bin1000001111101100…
…1001010101010100
312201020202022021120
42003323021111110
514013102220040
61003343043540
7105563624022
oct20373112524
95636668246
102213320020
11a363a80aa
125192a05b0
13293716422
1416dd47712
15ce49d7d0
hex83ec9554

2213320020 has 192 divisors, whose sum is σ = 6802790400. Its totient is φ = 536094720.

The previous prime is 2213320003. The next prime is 2213320027. The reversal of 2213320020 is 200233122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213320027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1995226 + ... + 1996334.

It is an arithmetic number, because the mean of its divisors is an integer number (35431200).

Almost surely, 22213320020 is an apocalyptic number.

2213320020 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 2213320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3401395200).

2213320020 is an abundant number, since it is smaller than the sum of its proper divisors (4589470380).

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

2213320020 is a wasteful number, since it uses less digits than its factorization.

2213320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2213320020 is about 47045.9352123008. The cubic root of 2213320020 is about 1303.2110011503.

Adding to 2213320020 its reverse (200233122), we get a palindrome (2413553142).

The spelling of 2213320020 in words is "two billion, two hundred thirteen million, three hundred twenty thousand, twenty".