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20222212000020 = 22357310344824693
BaseRepresentation
bin1001001100100010110011…
…10000110100100100010100
32122121020001201112200222120
410212101121300310210110
510122310042233000040
6111001542252255540
74155002156611302
oct446213160644424
978536051480876
1020222212000020
116497212533648
122327249a715b0
13b38c3c351194
144dca90307272
1525105d3637d0
hex126459c34914

20222212000020 has 96 divisors (see below), whose sum is σ = 57955101964032. Its totient is φ = 5267080608768.

The previous prime is 20222212000013. The next prime is 20222212000033. The reversal of 20222212000020 is 2000021222202.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 21961207 + ... + 22863486.

It is an arithmetic number, because the mean of its divisors is an integer number (603698978792).

Almost surely, 220222212000020 is an apocalyptic number.

20222212000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222212000020 is an abundant number, since it is smaller than the sum of its proper divisors (37732889964012).

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

20222212000020 is a wasteful number, since it uses less digits than its factorization.

20222212000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44824881 (or 44824879 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20222212000020 its reverse (2000021222202), we get a palindrome (22222233222222).

The spelling of 20222212000020 in words is "twenty trillion, two hundred twenty-two billion, two hundred twelve million, twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73 103 146 206 219 292 309 365 412 438 515 618 730 876 1030 1095 1236 1460 1545 2060 2190 3090 4380 6180 7519 15038 22557 30076 37595 45114 75190 90228 112785 150380 225570 451140 44824693 89649386 134474079 179298772 224123465 268948158 448246930 537896316 672370395 896493860 1344740790 2689481580 3272202589 4616943379 6544405178 9233886758 9816607767 13088810356 13850830137 16361012945 18467773516 19633215534 23084716895 27701660274 32722025890 39266431068 46169433790 49083038835 55403320548 65444051780 69254150685 92338867580 98166077670 138508301370 196332155340 277016602740 337036866667 674073733334 1011110600001 1348147466668 1685184333335 2022221200002 3370368666670 4044442400004 5055553000005 6740737333340 10111106000010 20222212000020