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20272200000 = 263551323113
BaseRepresentation
bin10010111000010100…
…010011100101000000
31221022210201110110020
4102320110103211000
5313004140400000
613151331333440
71315235566623
oct227024234500
957283643406
1020272200000
1186631459a8
123b19151280
131bb0bc0c20
14da44dddba
157d9ad7ba0
hex4b8513940

20272200000 has 672 divisors, whose sum is σ = 76004635392. Its totient is φ = 4730880000.

The previous prime is 20272199999. The next prime is 20272200007. The reversal of 20272200000 is 227202.

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 (20272200007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 179399944 + ... + 179400056.

It is an arithmetic number, because the mean of its divisors is an integer number (113102136).

Almost surely, 220272200000 is an apocalyptic number.

20272200000 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 20272200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38002317696).

20272200000 is an abundant number, since it is smaller than the sum of its proper divisors (55732435392).

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

20272200000 is a wasteful number, since it uses less digits than its factorization.

20272200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

Adding to 20272200000 its reverse (227202), we get a palindrome (20272427202).

The spelling of 20272200000 in words is "twenty billion, two hundred seventy-two million, two hundred thousand".