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20220222212 = 22178930710883
BaseRepresentation
bin10010110101001110…
…000001101100000100
31221012011220201022222
4102311032001230010
5312402334102322
613142233311512
71314035024111
oct226516015404
957164821288
1020220222212
118636874253
123b03865598
131ba31c2538
14d9b64d908
157d526be42
hex4b5381b04

20220222212 has 48 divisors (see below), whose sum is σ = 38014764480. Its totient is φ = 9376975872.

The previous prime is 20220222193. The next prime is 20220222271. The reversal of 20220222212 is 21222202202.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1852523 + ... + 1863405.

It is an arithmetic number, because the mean of its divisors is an integer number (791974260).

Almost surely, 220220222212 is an apocalyptic number.

It is an amenable number.

20220222212 is a deficient number, since it is larger than the sum of its proper divisors (17794542268).

20220222212 is a wasteful number, since it uses less digits than its factorization.

20220222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11300 (or 11298 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20220222212 its reverse (21222202202), we get a palindrome (41442424414).

The spelling of 20220222212 in words is "twenty billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 89 178 307 356 614 1228 1513 3026 5219 6052 10438 10883 20876 21766 27323 43532 54646 109292 185011 370022 464491 740044 928982 968587 1857964 1937174 3341081 3874348 6682162 13364324 16465979 32931958 56798377 65863916 113596754 227193508 297356209 594712418 1189424836 5055055553 10110111106 20220222212