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201020000000 = 285719232
BaseRepresentation
bin1011101100110110111…
…0011100011100000000
3201012212102121001110012
42323031232130130000
511243142110000000
6232203004124052
720344314543641
oct2731556343400
9635772531405
10201020000000
1178285605306
1232b61236628
1315c5773c781
149a2d7576c8
155367ca6735
hex2ecdb9c700

201020000000 has 432 divisors, whose sum is σ = 551918508960. Its totient is φ = 72864000000.

The previous prime is 201019999997. The next prime is 201020000021. The reversal of 201020000000 is 20102.

201020000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8739999989 + ... + 8740000011.

Almost surely, 2201020000000 is an apocalyptic number.

201020000000 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 201020000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275959254480).

201020000000 is an abundant number, since it is smaller than the sum of its proper divisors (350898508960).

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

201020000000 is an frugal number, since it uses more digits than its factorization.

201020000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

Adding to 201020000000 its reverse (20102), we get a palindrome (201020020102).

201020000000 divided by its reverse (20102) gives a 7-th power (10000000 = 107).

The spelling of 201020000000 in words is "two hundred one billion, twenty million", and thus it is an aban number.