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20220211200 = 21235279403
BaseRepresentation
bin10010110101001101…
…111111000000000000
31221012011220011020010
4102311031333000000
5312402333224300
613142233144520
71314034650030
oct226515770000
957164804203
1020220211200
118636866a52
123b0385b140
131ba31ba517
14d9b6498c0
157d5268a50
hex4b537f000

20220211200 has 312 divisors, whose sum is σ = 76411938688. Its totient is φ = 4621271040.

The previous prime is 20220211183. The next prime is 20220211223. The reversal of 20220211200 is 211202202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2145699 + ... + 2155101.

Almost surely, 220220211200 is an apocalyptic number.

20220211200 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 20220211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38205969344).

20220211200 is an abundant number, since it is smaller than the sum of its proper divisors (56191727488).

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

20220211200 is an equidigital number, since it uses as much as digits as its factorization.

20220211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9447 (or 9420 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20220211200 its reverse (211202202), we get a palindrome (20431413402).

The spelling of 20220211200 in words is "twenty billion, two hundred twenty million, two hundred eleven thousand, two hundred".