Search a number
-
+
20333213230 = 25114189179283
BaseRepresentation
bin10010111011111101…
…000011011000101110
31221111001112020212111
4102323331003120232
5313120300310410
613201351154234
71316606314021
oct227375033056
957431466774
1020333213230
118694629060
123b3567597a
131bc0734125
14dac6631b8
157e013ab8a
hex4bbf4362e

20333213230 has 128 divisors (see below), whose sum is σ = 41738457600. Its totient is φ = 7067596800.

The previous prime is 20333213213. The next prime is 20333213231. The reversal of 20333213230 is 3231233302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333213231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71848669 + ... + 71848951.

It is an arithmetic number, because the mean of its divisors is an integer number (326081700).

Almost surely, 220333213230 is an apocalyptic number.

20333213230 is an abundant number, since it is smaller than the sum of its proper divisors (21405244370).

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

20333213230 is a wasteful number, since it uses less digits than its factorization.

20333213230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20333213230 its reverse (3231233302), we get a palindrome (23564446532).

The spelling of 20333213230 in words is "twenty billion, three hundred thirty-three million, two hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 41 55 82 89 110 178 179 205 283 358 410 445 451 566 890 895 902 979 1415 1790 1958 1969 2255 2830 3113 3649 3938 4510 4895 6226 7298 7339 9790 9845 11603 14678 15565 15931 18245 19690 23206 25187 31130 31862 36490 36695 40139 50374 50657 58015 73390 79655 80278 80729 101314 116030 125935 127633 159310 161458 175241 200695 251870 253285 255266 277057 350482 401390 403645 506570 554114 557227 638165 653171 807290 876205 1032667 1114454 1276330 1306342 1385285 1752410 2065334 2076937 2770570 2786135 3265855 4153874 4508473 5163335 5572270 6531710 7184881 9016946 10326670 10384685 11359337 14369762 20769370 22542365 22718674 22846307 35924405 45084730 45692614 49593203 56796685 71848810 99186406 113593370 114231535 184847393 228463070 247966015 369694786 495932030 924236965 1848473930 2033321323 4066642646 10166606615 20333213230