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20222220200 = 23527132394649
BaseRepresentation
bin10010110101010101…
…101001011110101000
31221012022200020001112
4102311111221132220
5312403342021300
613142344205452
71314061015130
oct226525513650
957168606045
1020222220200
118637a09386
123b04469888
131ba3741a90
14d9ba0dac0
157d5513e35
hex4b55697a8

20222220200 has 192 divisors, whose sum is σ = 58121280000. Its totient is φ = 6371850240.

The previous prime is 20222220191. The next prime is 20222220217. The reversal of 20222220200 is 202222202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4347476 + ... + 4352124.

It is an arithmetic number, because the mean of its divisors is an integer number (302715000).

Almost surely, 220222220200 is an apocalyptic number.

20222220200 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 20222220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29060640000).

20222220200 is an abundant number, since it is smaller than the sum of its proper divisors (37899059800).

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

20222220200 is a wasteful number, since it uses less digits than its factorization.

20222220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924 (or 4915 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20222220200 its reverse (202222202), we get a palindrome (20424442402).

20222220200 divided by its reverse (202222202) gives a square (100 = 102).

It can be divided in two parts, 2022 and 2220200, that added together give a palindrome (2222222).

The spelling of 20222220200 in words is "twenty billion, two hundred twenty-two million, two hundred twenty thousand, two hundred".