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1323330020 = 22566166501
BaseRepresentation
bin100111011100000…
…0110100111100100
310102020002010111222
41032320012213210
510202233030040
6335151315512
744536056005
oct11670064744
93366063458
101323330020
11619a92481
1230b21bb98
1318121601c
14c7a751ac
157b29cbb5
hex4ee069e4

1323330020 has 12 divisors (see below), whose sum is σ = 2778993084. Its totient is φ = 529332000.

The previous prime is 1323330013. The next prime is 1323330061. The reversal of 1323330020 is 200333231.

It can be written as a sum of positive squares in 2 ways, for example, as 494350756 + 828979264 = 22234^2 + 28792^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33083231 + ... + 33083270.

It is an arithmetic number, because the mean of its divisors is an integer number (231582757).

Almost surely, 21323330020 is an apocalyptic number.

1323330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323330020 is an abundant number, since it is smaller than the sum of its proper divisors (1455663064).

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

1323330020 is a wasteful number, since it uses less digits than its factorization.

1323330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66166510 (or 66166508 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 1323330020 is about 36377.6032745424. The cubic root of 1323330020 is about 1097.8829861490.

Adding to 1323330020 its reverse (200333231), we get a palindrome (1523663251).

The spelling of 1323330020 in words is "one billion, three hundred twenty-three million, three hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 66166501 132333002 264666004 330832505 661665010 1323330020