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201032221340 = 22553189653039
BaseRepresentation
bin1011101100111001110…
…1000100001010011100
3201012220021120221222102
42323032131010022130
511243203222040330
6232204122104232
720344523454446
oct2731635041234
9635807527872
10201032221340
11782914a2395
1232b6534b078
1315c5a12b432
149a31219496
155368dbc945
hex2ece74429c

201032221340 has 24 divisors (see below), whose sum is σ = 430133094720. Its totient is φ = 78895663808.

The previous prime is 201032221339. The next prime is 201032221343. The reversal of 201032221340 is 43122230102.

201032221340 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 (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201032221343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 94825460 + ... + 94827579.

It is an arithmetic number, because the mean of its divisors is an integer number (17922212280).

Almost surely, 2201032221340 is an apocalyptic number.

201032221340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201032221340 is an abundant number, since it is smaller than the sum of its proper divisors (229100873380).

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

201032221340 is a wasteful number, since it uses less digits than its factorization.

201032221340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189653101 (or 189653099 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201032221340 its reverse (43122230102), we get a palindrome (244154451442).

The spelling of 201032221340 in words is "two hundred one billion, thirty-two million, two hundred twenty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 189653039 379306078 758612156 948265195 1896530390 3793060780 10051611067 20103222134 40206444268 50258055335 100516110670 201032221340