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20333332230 = 2354725515653
BaseRepresentation
bin10010111011111101…
…100000011100000110
31221111001202022002220
4102323331200130012
5313120313112410
613201353513210
71316610320661
oct227375403406
957431668086
1020333332230
1186946aa502
123b35712806
131bc0776343
14dac6946d8
157e0161070
hex4bbf60706

20333332230 has 64 divisors (see below), whose sum is σ = 49866651648. Its totient is φ = 5303836800.

The previous prime is 20333332219. The next prime is 20333332241. The reversal of 20333332230 is 3223333302.

It is an interprime number because it is at equal distance from previous prime (20333332219) and next prime (20333332241).

It is a self number, because there is not a number n which added to its sum of digits gives 20333332230.

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, 3594084 + ... + 3599736.

It is an arithmetic number, because the mean of its divisors is an integer number (779166432).

Almost surely, 220333332230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20333332230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24933325824).

20333332230 is an abundant number, since it is smaller than the sum of its proper divisors (29533319418).

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

20333332230 is a wasteful number, since it uses less digits than its factorization.

20333332230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8261.

The product of its (nonzero) digits is 5832, while the sum is 24.

Adding to 20333332230 its reverse (3223333302), we get a palindrome (23556665532).

The spelling of 20333332230 in words is "twenty billion, three hundred thirty-three million, three hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 2551 5102 5653 7653 11306 12755 15306 16959 25510 28265 33918 38265 56530 76530 84795 119897 169590 239794 265691 359691 531382 599485 719382 797073 1198970 1328455 1594146 1798455 2656910 3596910 3985365 7970730 14420803 28841606 43262409 72104015 86524818 144208030 216312045 432624090 677777741 1355555482 2033333223 3388888705 4066666446 6777777410 10166666115 20333332230