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2020108304 = 243123917041
BaseRepresentation
bin111100001101000…
…0110100000010000
312012210012010122002
41320122012200100
513114121431204
6532241533132
7101026431404
oct17032064020
95183163562
102020108304
119473312a5
124846441a8
13262697b76
14152411104
15bc53591e
hex78686810

2020108304 has 40 divisors (see below), whose sum is σ = 4057359360. Its totient is φ = 973324800.

The previous prime is 2020108271. The next prime is 2020108313. The reversal of 2020108304 is 4038010202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110024 + ... + 127064.

It is an arithmetic number, because the mean of its divisors is an integer number (101433984).

Almost surely, 22020108304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020108304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2028679680).

2020108304 is an abundant number, since it is smaller than the sum of its proper divisors (2037251056).

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

2020108304 is a wasteful number, since it uses less digits than its factorization.

2020108304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17319 (or 17313 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2020108304 is about 44945.6149585252. The cubic root of 2020108304 is about 1264.1294565107.

Adding to 2020108304 its reverse (4038010202), we get a palindrome (6058118506).

The spelling of 2020108304 in words is "two billion, twenty million, one hundred eight thousand, three hundred four".

Divisors: 1 2 4 8 16 31 62 124 239 248 478 496 956 1912 3824 7409 14818 17041 29636 34082 59272 68164 118544 136328 272656 528271 1056542 2113084 4072799 4226168 8145598 8452336 16291196 32582392 65164784 126256769 252513538 505027076 1010054152 2020108304