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20334323424 = 2531712459757
BaseRepresentation
bin10010111100000001…
…010010011011100000
31221111010121122202210
4102330001102123200
5313121041322144
613201431042120
71316621616522
oct227401223340
957433548683
1020334323424
118695217178
123b35b10340
131bc0a3254c
14dac871a12
157e02a9ab9
hex4bc0526e0

20334323424 has 48 divisors (see below), whose sum is σ = 56517462288. Its totient is φ = 6379395072.

The previous prime is 20334323423. The next prime is 20334323453. The reversal of 20334323424 is 42432343302.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×203343234242 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20334323391 and 20334323400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334323423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6228247 + ... + 6231510.

It is an arithmetic number, because the mean of its divisors is an integer number (1177447131).

Almost surely, 220334323424 is an apocalyptic number.

20334323424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20334323424 is an abundant number, since it is smaller than the sum of its proper divisors (36183138864).

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

20334323424 is a wasteful number, since it uses less digits than its factorization.

20334323424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12459787 (or 12459779 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 20334323424 its reverse (42432343302), we get a palindrome (62766666726).

The spelling of 20334323424 in words is "twenty billion, three hundred thirty-four million, three hundred twenty-three thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1632 12459757 24919514 37379271 49839028 74758542 99678056 149517084 199356112 211815869 299034168 398712224 423631738 598068336 635447607 847263476 1196136672 1270895214 1694526952 2541790428 3389053904 5083580856 6778107808 10167161712 20334323424