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20000323404 = 223217101323567
BaseRepresentation
bin10010101000000111…
…001011011101001100
31220121212010200212200
4102220013023131030
5311430040322104
613104340201500
71305424641525
oct225007133514
956555120780
1020000323404
11853372aaa6
123a62099290
131b6978bbb9
14d7a36b84c
157c0cd1b39
hex4a81cb74c

20000323404 has 72 divisors (see below), whose sum is σ = 54060447168. Its totient is φ = 6212467200.

The previous prime is 20000323373. The next prime is 20000323411. The reversal of 20000323404 is 40432300002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99972 + ... + 223595.

It is an arithmetic number, because the mean of its divisors is an integer number (750839544).

Almost surely, 220000323404 is an apocalyptic number.

It is an amenable number.

20000323404 is an abundant number, since it is smaller than the sum of its proper divisors (34060123764).

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

20000323404 is a wasteful number, since it uses less digits than its factorization.

20000323404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323695 (or 323690 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20000323404 its reverse (40432300002), we get a palindrome (60432623406).

The spelling of 20000323404 in words is "twenty billion, three hundred twenty-three thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 101 102 153 202 204 303 306 404 606 612 909 1212 1717 1818 3434 3636 5151 6868 10302 15453 20604 30906 61812 323567 647134 970701 1294268 1941402 2912103 3882804 5500639 5824206 11001278 11648412 16501917 22002556 32680267 33003834 49505751 65360534 66007668 98040801 99011502 130721068 196081602 198023004 294122403 392163204 555564539 588244806 1111129078 1176489612 1666693617 2222258156 3333387234 5000080851 6666774468 10000161702 20000323404