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20220210221200 = 245211531014092099
BaseRepresentation
bin1001001100011111000100…
…11100101001000010010000
32122121000220012211210200021
410212033202130221002100
510122241442304034300
6111001011503233224
74154601442020403
oct446174234510220
978530805753607
1020220210221200
116496385591590
12232698b5a8814
13b389b0703282
144dc940507d3a
15250e9274dd1a
hex1263e2729090

20220210221200 has 480 divisors, whose sum is σ = 54689218416000. Its totient is φ = 7121786880000.

The previous prime is 20220210221053. The next prime is 20220210221213. The reversal of 20220210221200 is 212201202202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9633257751 + ... + 9633259849.

It is an arithmetic number, because the mean of its divisors is an integer number (113935871700).

Almost surely, 220220210221200 is an apocalyptic number.

20220210221200 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 20220210221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27344609208000).

20220210221200 is an abundant number, since it is smaller than the sum of its proper divisors (34469008194800).

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

20220210221200 is a wasteful number, since it uses less digits than its factorization.

20220210221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20220210221200 its reverse (212201202202), we get a palindrome (20432411423402).

The spelling of 20220210221200 in words is "twenty trillion, two hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, two hundred".