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1204130322020 = 225899719735401
BaseRepresentation
bin10001100001011011110…
…000101001011001100100
311021010001220122012122002
4101201123300221121210
5124212024330301040
62321100403424432
7152665320601133
oct21413360513144
94233056565562
101204130322020
1142473a1a216a
12175450985118
138971a208632
14423cccc391a
15214c7604a15
hex1185bc29664

1204130322020 has 96 divisors (see below), whose sum is σ = 2596634742240. Its totient is φ = 468924825600.

The previous prime is 1204130321959. The next prime is 1204130322077. The reversal of 1204130322020 is 202230314021.

It can be written as a sum of positive squares in 16 ways, for example, as 271793310244 + 932337011776 = 521338^2 + 965576^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1204130321983 and 1204130322001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33996320 + ... + 34031720.

It is an arithmetic number, because the mean of its divisors is an integer number (27048278565).

Almost surely, 21204130322020 is an apocalyptic number.

1204130322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204130322020 is an abundant number, since it is smaller than the sum of its proper divisors (1392504420220).

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

1204130322020 is a wasteful number, since it uses less digits than its factorization.

1204130322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35793 (or 35791 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1204130322020 its reverse (202230314021), we get a palindrome (1406360636041).

The spelling of 1204130322020 in words is "one trillion, two hundred four billion, one hundred thirty million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 89 97 178 194 197 356 388 394 445 485 788 890 970 985 1780 1940 1970 3940 8633 17266 17533 19109 34532 35066 35401 38218 43165 70132 70802 76436 86330 87665 95545 141604 172660 175330 177005 191090 350660 354010 382180 708020 1700701 3150689 3401402 3433897 6301378 6802804 6867794 6973997 8503505 12602756 13735588 13947994 15753445 17007010 17169485 27895988 31506890 34014020 34338970 34869985 63013780 68677940 69739970 139479940 305616833 611233666 620685733 676477709 1222467332 1241371466 1352955418 1528084165 2482742932 2705910836 3056168330 3103428665 3382388545 6112336660 6206857330 6764777090 12413714660 13529554180 60206516101 120413032202 240826064404 301032580505 602065161010 1204130322020