Search a number
-
+
1320203220330 = 23544006774011
BaseRepresentation
bin10011001101100010001…
…111100111010101101010
311200012200020021101100210
4103031202033213111222
5133112234011022310
62450254252441550
7164244603134361
oct23154217472552
94605606241323
101320203220330
114699933336a5
12193a454792b6
1397657916097
1447c808507d8
152451c934820
hex133623e756a

1320203220330 has 16 divisors (see below), whose sum is σ = 3168487728864. Its totient is φ = 352054192080.

The previous prime is 1320203220317. The next prime is 1320203220341. The reversal of 1320203220330 is 330223020231.

It is a junction number, because it is equal to n+sod(n) for n = 1320203220297 and 1320203220306.

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, 22003386976 + ... + 22003387035.

It is an arithmetic number, because the mean of its divisors is an integer number (198030483054).

Almost surely, 21320203220330 is an apocalyptic number.

1320203220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320203220330 is an abundant number, since it is smaller than the sum of its proper divisors (1848284508534).

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

1320203220330 is a wasteful number, since it uses less digits than its factorization.

1320203220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44006774021.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 1320203220330 its reverse (330223020231), we get a palindrome (1650426240561).

The spelling of 1320203220330 in words is "one trillion, three hundred twenty billion, two hundred three million, two hundred twenty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 44006774011 88013548022 132020322033 220033870055 264040644066 440067740110 660101610165 1320203220330