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22020202220231 = 29297214811879
BaseRepresentation
bin1010000000110111110100…
…10101001100101011000111
32212222002222202100110212202
411000123322111030223013
510341234333232021411
6114455535150505115
74431623065406135
oct500337225145307
985862882313782
1022020202220231
11701a7960a69a6
1225777b520519b
13c3965b0a6777
14561ad7bd2755
15282be172683b
hex1406fa54cac7

22020202220231 has 36 divisors (see below), whose sum is σ = 23071068137520. Its totient is φ = 21016301967360.

The previous prime is 22020202220221. The next prime is 22020202220281. The reversal of 22020202220231 is 13202220202022.

It is not a de Polignac number, because 22020202220231 - 218 = 22020201958087 is a prime.

It is a super-2 number, since 2×220202022202312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020202220221) 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, 11719106150 + ... + 11719108028.

It is an arithmetic number, because the mean of its divisors is an integer number (640863003820).

Almost surely, 222020202220231 is an apocalyptic number.

22020202220231 is a deficient number, since it is larger than the sum of its proper divisors (1050865917289).

22020202220231 is an equidigital number, since it uses as much as digits as its factorization.

22020202220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3486 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22020202220231 its reverse (13202220202022), we get a palindrome (35222422422253).

The spelling of 22020202220231 in words is "twenty-two trillion, twenty billion, two hundred two million, two hundred twenty thousand, two hundred thirty-one".

Divisors: 1 29 97 841 1481 1879 2813 9409 42949 54491 81577 143657 182263 272861 1245521 1580239 2782799 4166053 5285627 7912969 13934729 17679511 80701171 120815537 153283183 269931503 404107141 512705819 2340333959 7828013587 11719107089 14868468751 26183355791 227012394023 759317317939 22020202220231