Search a number
-
+
220210120221 = 37135913671703
BaseRepresentation
bin1100110100010110001…
…0111100011000011101
3210001101211012011111120
43031011202330120131
512101442242321341
6245055123041153
721624004065210
oct3150542743035
9701354164446
10220210120221
11854329656a3
1236817b101b9
13179c53b55b0
14a930261777
155adc898066
hex33458bc61d

220210120221 has 32 divisors (see below), whose sum is σ = 367495403520. Its totient is φ = 114186055104.

The previous prime is 220210120201. The next prime is 220210120253. The reversal of 220210120221 is 122021012022.

220210120221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220210120221 - 215 = 220210087453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220210120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220210120201) 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 31 ways as a sum of consecutive naturals, for example, 6819745 + ... + 6851958.

It is an arithmetic number, because the mean of its divisors is an integer number (11484231360).

Almost surely, 2220210120221 is an apocalyptic number.

220210120221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220210120221 is a deficient number, since it is larger than the sum of its proper divisors (147285283299).

220210120221 is a wasteful number, since it uses less digits than its factorization.

220210120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13671785.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220210120221 its reverse (122021012022), we get a palindrome (342231132243).

The spelling of 220210120221 in words is "two hundred twenty billion, two hundred ten million, one hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 7 13 21 39 59 91 177 273 413 767 1239 2301 5369 16107 13671703 41015109 95701921 177732139 287105763 533196417 806630477 1244124973 2419891431 3732374919 5646413339 10486196201 16939240017 31458588603 73403373407 220210120221