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322030020 = 223513412859
BaseRepresentation
bin10011001100011…
…100100111000100
3211102221211010210
4103030130213010
51124414430040
651542115420
710660132014
oct2314344704
9742854123
10322030020
11155860a14
128ba1bb70
1351942210
1430aa9c44
151d411480
hex1331c9c4

322030020 has 48 divisors (see below), whose sum is σ = 971046720. Its totient is φ = 79268736.

The previous prime is 322030013. The next prime is 322030021. The reversal of 322030020 is 20030223.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 322029978 and 322030005.

It is not an unprimeable number, because it can be changed into a prime (322030021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205650 + ... + 207209.

It is an arithmetic number, because the mean of its divisors is an integer number (20230140).

Almost surely, 2322030020 is an apocalyptic number.

322030020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

322030020 is an abundant number, since it is smaller than the sum of its proper divisors (649016700).

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

322030020 is a wasteful number, since it uses less digits than its factorization.

322030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412884 (or 412882 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 322030020 is about 17945.1949000283. The cubic root of 322030020 is about 685.4336998115.

Adding to 322030020 its reverse (20030223), we get a palindrome (342060243).

The spelling of 322030020 in words is "three hundred twenty-two million, thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 412859 825718 1238577 1651436 2064295 2477154 4128590 4954308 5367167 6192885 8257180 10734334 12385770 16101501 21468668 24771540 26835835 32203002 53671670 64406004 80507505 107343340 161015010 322030020