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20022220112201 = 177723474800779
BaseRepresentation
bin1001000110101110010010…
…10100010100000101001001
32121220002211221112011022022
410203113021110110011021
510111021001322042301
6110330025252134225
74134362164612046
oct443271124240511
977802757464268
1020022220112201
11641a41530322a
1222b4535007375
13b23119912518
144d311b3381cd
1524ac55992d1b
hex1235c9514149

20022220112201 has 8 divisors (see below), whose sum is σ = 20042027500320. Its totient is φ = 20002422333888.

The previous prime is 20022220112189. The next prime is 20022220112231. The reversal of 20022220112201 is 10221102222002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20022220112201 - 26 = 20022220112137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022220112201.

It is not an unprimeable number, because it can be changed into a prime (20022220112231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770230 + ... + 6571008.

It is an arithmetic number, because the mean of its divisors is an integer number (2505253437540).

Almost surely, 220022220112201 is an apocalyptic number.

It is an amenable number.

20022220112201 is a deficient number, since it is larger than the sum of its proper divisors (19807388119).

20022220112201 is a wasteful number, since it uses less digits than its factorization.

20022220112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804903.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20022220112201 its reverse (10221102222002), we get a palindrome (30243322334203).

The spelling of 20022220112201 in words is "twenty trillion, twenty-two billion, two hundred twenty million, one hundred twelve thousand, two hundred one".

Divisors: 1 1777 2347 4170619 4800779 8530984283 11267428313 20022220112201