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20303201330 = 252030320133
BaseRepresentation
bin10010111010001010…
…100100010000110010
31221101222001111021122
4102322022210100302
5313040104420310
613154400022242
71316063235536
oct227212442062
957358044248
1020303201330
11867969a735
123b27601982
131bb74568c9
14da868dbc6
157dc6ad555
hex4ba2a4432

20303201330 has 8 divisors (see below), whose sum is σ = 36545762412. Its totient is φ = 8121280528.

The previous prime is 20303201249. The next prime is 20303201341. The reversal of 20303201330 is 3310230302.

It can be written as a sum of positive squares in 2 ways, for example, as 20256974929 + 46226401 = 142327^2 + 6799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20303201299 and 20303201308.

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, 1015160057 + ... + 1015160076.

Almost surely, 220303201330 is an apocalyptic number.

20303201330 is a deficient number, since it is larger than the sum of its proper divisors (16242561082).

20303201330 is a wasteful number, since it uses less digits than its factorization.

20303201330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030320140.

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

Adding to 20303201330 its reverse (3310230302), we get a palindrome (23613431632).

The spelling of 20303201330 in words is "twenty billion, three hundred three million, two hundred one thousand, three hundred thirty".

Divisors: 1 2 5 10 2030320133 4060640266 10151600665 20303201330