Search a number
-
+
220020110212021 = 7251249233502441
BaseRepresentation
bin110010000001101101101100…
…100000110011101110110101
31001212000201100210000011221121
4302001231230200303232311
5212314302141203241041
62055535502051143541
764225633303330240
oct6201555440635665
91055021323004847
10220020110212021
1164118006336319
12208154558a4bb1
13959ca65a28252
143c4905ca56257
151a683646b17d1
hexc81b6c833bb5

220020110212021 has 16 divisors (see below), whose sum is σ = 252454868926848. Its totient is φ = 187836189120000.

The previous prime is 220020110212013. The next prime is 220020110212037. The reversal of 220020110212021 is 120212011020022.

It is a happy number.

220020110212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 220020110212021 - 23 = 220020110212013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220020110211986 and 220020110212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020110212081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437651161 + ... + 438153601.

It is an arithmetic number, because the mean of its divisors is an integer number (15778429307928).

Almost surely, 2220020110212021 is an apocalyptic number.

It is an amenable number.

220020110212021 is a deficient number, since it is larger than the sum of its proper divisors (32434758714827).

220020110212021 is a wasteful number, since it uses less digits than its factorization.

220020110212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751932.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220020110212021 its reverse (120212011020022), we get a palindrome (340232121232043).

The spelling of 220020110212021 in words is "two hundred twenty trillion, twenty billion, one hundred ten million, two hundred twelve thousand, twenty-one".

Divisors: 1 7 251 1757 249233 502441 1744631 3517087 62557483 126112691 437902381 882788837 125224877753 876574144271 31431444316003 220020110212021