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20368470222 = 2334310186851
BaseRepresentation
bin10010111110000011…
…100011000011001110
31221120111212111101000
4102332003203003032
5313203312021342
613205051001130
71320515066052
oct227603430316
957514774330
1020368470222
11870251a171
123b454391a6
131bc7b29b59
14db31ddc62
157e32a244c
hex4be0e30ce

20368470222 has 64 divisors (see below), whose sum is σ = 46775013120. Its totient is φ = 6565860000.

The previous prime is 20368470209. The next prime is 20368470257. The reversal of 20368470222 is 22207486302.

It is a happy number.

20368470222 is a `hidden beast` number, since 2 + 0 + 368 + 4 + 70 + 222 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191097 + ... + 277947.

It is an arithmetic number, because the mean of its divisors is an integer number (730859580).

Almost surely, 220368470222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20368470222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23387506560).

20368470222 is an abundant number, since it is smaller than the sum of its proper divisors (26406542898).

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

20368470222 is a wasteful number, since it uses less digits than its factorization.

20368470222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87006 (or 87000 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 20368470222 in words is "twenty billion, three hundred sixty-eight million, four hundred seventy thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 43 54 86 101 129 202 258 303 387 606 774 909 1161 1818 2322 2727 4343 5454 8686 13029 26058 39087 78174 86851 117261 173702 234522 260553 521106 781659 1563318 2344977 3734593 4689954 7469186 8771951 11203779 17543902 22407558 26315853 33611337 52631706 67222674 78947559 100834011 157895118 201668022 236842677 377193893 473685354 754387786 1131581679 2263163358 3394745037 6789490074 10184235111 20368470222