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320300222020 = 22516015011101
BaseRepresentation
bin1001010100100110110…
…00011000011001000100
31010121202021101011011221
410222103120120121010
520221433324101040
6403051025210124
732066223652162
oct4522330303104
91117667334157
10320300222020
11113925141599
12520aba90944
13242867813bc
1411707258232
1584e997e74a
hex4a93618644

320300222020 has 12 divisors (see below), whose sum is σ = 672630466284. Its totient is φ = 128120088800.

The previous prime is 320300222003. The next prime is 320300222051. The reversal of 320300222020 is 20222003023.

It can be written as a sum of positive squares in 2 ways, for example, as 107725742656 + 212574479364 = 328216^2 + 461058^2 .

It is a super-2 number, since 2×3203002220202 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320300221985 and 320300222003.

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, 8007505531 + ... + 8007505570.

It is an arithmetic number, because the mean of its divisors is an integer number (56052538857).

Almost surely, 2320300222020 is an apocalyptic number.

It is an amenable number.

320300222020 is an abundant number, since it is smaller than the sum of its proper divisors (352330244264).

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

320300222020 is a wasteful number, since it uses less digits than its factorization.

320300222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16015011110 (or 16015011108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 320300222020 its reverse (20222003023), we get a palindrome (340522225043).

The spelling of 320300222020 in words is "three hundred twenty billion, three hundred million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 16015011101 32030022202 64060044404 80075055505 160150111010 320300222020