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20222116236 = 2234724136997
BaseRepresentation
bin10010110101010101…
…010000000110001100
31221012022110221110000
4102311111100012030
5312403330204421
613142342044300
71314060103050
oct226525200614
957168427400
1020222116236
118637948263
123b04419690
131ba370666a
14d9b9c3c60
157d54e3226
hex4b555018c

20222116236 has 120 divisors (see below), whose sum is σ = 60669024416. Its totient is φ = 5753617920.

The previous prime is 20222116207. The next prime is 20222116259. The reversal of 20222116236 is 63261122202.

It is a happy number.

20222116236 is a `hidden beast` number, since 2 + 0 + 2 + 22 + 11 + 623 + 6 = 666.

It is a super-3 number, since 3×202221162363 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 528090 + ... + 565086.

Almost surely, 220222116236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20222116236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30334512208).

20222116236 is an abundant number, since it is smaller than the sum of its proper divisors (40446908180).

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

20222116236 is a wasteful number, since it uses less digits than its factorization.

20222116236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37261 (or 37250 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20222116236 its reverse (63261122202), we get a palindrome (83483238438).

The spelling of 20222116236 in words is "twenty billion, two hundred twenty-two million, one hundred sixteen thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 241 252 324 378 482 567 723 756 964 1134 1446 1687 2169 2268 2892 3374 4338 5061 6507 6748 8676 10122 13014 15183 19521 20244 26028 30366 36997 39042 45549 60732 73994 78084 91098 110991 136647 147988 182196 221982 258979 273294 332973 443964 517958 546588 665946 776937 998919 1035916 1331892 1553874 1997838 2330811 2996757 3107748 3995676 4661622 5993514 6992433 8916277 9323244 11987028 13984866 17832554 20977299 26748831 27969732 35665108 41954598 53497662 62413939 80246493 83909196 106995324 124827878 160492986 187241817 240739479 249655756 320985972 374483634 481478958 561725451 722218437 748967268 962957916 1123450902 1444436874 1685176353 2246901804 2888873748 3370352706 5055529059 6740705412 10111058118 20222116236