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20110032222 = 2374765315601
BaseRepresentation
bin10010101110101001…
…101011110101011110
31220220111120111002020
4102232221223311132
5312141132012342
613123255441010
71311226311360
oct225651536536
956814514066
1020110032222
11858a652945
123a92986166
131b86421867
14d8ab68d30
157ca7530ec
hex4aea6bd5e

20110032222 has 64 divisors (see below), whose sum is σ = 47018686464. Its totient is φ = 5614502400.

The previous prime is 20110032211. The next prime is 20110032259. The reversal of 20110032222 is 22223001102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1281222 + ... + 1296822.

It is an arithmetic number, because the mean of its divisors is an integer number (734666976).

Almost surely, 220110032222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110032222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23509343232).

20110032222 is an abundant number, since it is smaller than the sum of its proper divisors (26908654242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110032222 is a wasteful number, since it uses less digits than its factorization.

20110032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16313.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20110032222 its reverse (22223001102), we get a palindrome (42333033324).

The spelling of 20110032222 in words is "twenty billion, one hundred ten million, thirty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 47 94 141 282 329 653 658 987 1306 1959 1974 3918 4571 9142 13713 15601 27426 30691 31202 46803 61382 92073 93606 109207 184146 214837 218414 327621 429674 644511 655242 733247 1289022 1466494 2199741 4399482 5132729 10187453 10265458 15398187 20374906 30562359 30796374 61124718 71312171 142624342 213936513 427873026 478810291 957620582 1436430873 2872861746 3351672037 6703344074 10055016111 20110032222