Search a number
-
+
20333030020 = 2254767322849
BaseRepresentation
bin10010111011111100…
…010110101010000100
31221111001011221112221
4102323330112222010
5313120223430040
613201343222124
71316604621622
oct227374265204
957431157487
1020333030020
118694513446
123b355a7944
131bc069b914
14dac616512
157e010174a
hex4bbf16a84

20333030020 has 48 divisors (see below), whose sum is σ = 44258860800. Its totient is φ = 7841332224.

The previous prime is 20333030017. The next prime is 20333030059. The reversal of 20333030020 is 2003033302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20333029976 and 20333030003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98445 + ... + 224404.

It is an arithmetic number, because the mean of its divisors is an integer number (922059600).

Almost surely, 220333030020 is an apocalyptic number.

20333030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20333030020 is an abundant number, since it is smaller than the sum of its proper divisors (23925830780).

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

20333030020 is a wasteful number, since it uses less digits than its factorization.

20333030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322972 (or 322970 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 20333030020 its reverse (2003033302), we get a palindrome (22336063322).

The spelling of 20333030020 in words is "twenty billion, three hundred thirty-three million, thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 47 67 94 134 188 235 268 335 470 670 940 1340 3149 6298 12596 15745 31490 62980 322849 645698 1291396 1614245 3228490 6456980 15173903 21630883 30347806 43261766 60695612 75869515 86523532 108154415 151739030 216308830 303478060 432617660 1016651501 2033303002 4066606004 5083257505 10166515010 20333030020