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220020021021213 = 32721655513013643
BaseRepresentation
bin110010000001101101100111…
…001100100100101000011101
31001212000201010120011211011100
4302001231213030210220131
5212314302000340134323
62055535445143343313
764225631141244600
oct6201554714445035
91055021116154140
10220020021021213
1164117a6aa57a06
122081542ba51b39
13959ca503ca71a
143c49050c7a337
151a6835b944943
hexc81b67324a1d

220020021021213 has 36 divisors (see below), whose sum is σ = 369695860492608. Its totient is φ = 125724925141200.

The previous prime is 220020021021191. The next prime is 220020021021217. The reversal of 220020021021213 is 312120120020022.

220020021021213 is a `hidden beast` number, since 2 + 20 + 0 + 200 + 210 + 21 + 213 = 666.

It is not a de Polignac number, because 220020021021213 - 26 = 220020021021149 is a prime.

It is a super-2 number, since 2×2200200210212132 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020021021217) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 71501170 + ... + 74514812.

It is an arithmetic number, because the mean of its divisors is an integer number (10269329458128).

Almost surely, 2220020021021213 is an apocalyptic number.

It is an amenable number.

220020021021213 is a deficient number, since it is larger than the sum of its proper divisors (149675839471395).

220020021021213 is a wasteful number, since it uses less digits than its factorization.

220020021021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179214 (or 3179204 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 220020021021213 its reverse (312120120020022), we get a palindrome (532140141041235).

The spelling of 220020021021213 in words is "two hundred twenty trillion, twenty billion, twenty-one million, twenty-one thousand, two hundred thirteen".

Divisors: 1 3 7 9 21 49 63 147 441 165551 496653 1158857 1489959 3013643 3476571 8111999 9040929 10429713 21095501 24335997 27122787 63286503 73007991 147668507 189859509 443005521 1329016563 498911612293 1496734836879 3492381286051 4490204510637 10477143858153 24446669002357 31431431574459 73340007007071 220020021021213