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1220320102330 = 25717433144319
BaseRepresentation
bin10001110000100000101…
…111110000011110111010
311022122212012120021002001
4101300200233300132322
5124443203421233310
62332335102531214
7154110445502620
oct21604057603672
94278765507061
101220320102330
1143059797a79a
1217860a896b0a
138b0ca3ab2b4
14430c7137510
1521b23ad693a
hex11c20bf07ba

1220320102330 has 16 divisors (see below), whose sum is σ = 2510372782080. Its totient is φ = 418395463632.

The previous prime is 1220320102303. The next prime is 1220320102387. The reversal of 1220320102330 is 332010230221.

It is a junction number, because it is equal to n+sod(n) for n = 1220320102298 and 1220320102307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8716572090 + ... + 8716572229.

It is an arithmetic number, because the mean of its divisors is an integer number (156898298880).

Almost surely, 21220320102330 is an apocalyptic number.

1220320102330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220320102330 is an abundant number, since it is smaller than the sum of its proper divisors (1290052679750).

1220320102330 is a wasteful number, since it uses less digits than its factorization.

1220320102330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17433144333.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1220320102330 its reverse (332010230221), we get a palindrome (1552330332551).

The spelling of 1220320102330 in words is "one trillion, two hundred twenty billion, three hundred twenty million, one hundred two thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 17433144319 34866288638 87165721595 122032010233 174331443190 244064020466 610160051165 1220320102330