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20330230301 = 54737166783
BaseRepresentation
bin10010111011110001…
…101011001000011101
31221110211220201001122
4102323301223020131
5313114014332201
613201203220325
71316542051313
oct227361531035
957424821048
1020330230301
118692980a27
123b346776a5
131bbcc2b494
14dac0c80b3
157dec4be1b
hex4bbc6b21d

20330230301 has 4 divisors (see below), whose sum is σ = 20367397632. Its totient is φ = 20293062972.

The previous prime is 20330230259. The next prime is 20330230313. The reversal of 20330230301 is 10303203302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20330230301 - 26 = 20330230237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20330230301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330230321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18582845 + ... + 18583938.

It is an arithmetic number, because the mean of its divisors is an integer number (5091849408).

Almost surely, 220330230301 is an apocalyptic number.

It is an amenable number.

20330230301 is a deficient number, since it is larger than the sum of its proper divisors (37167331).

20330230301 is an equidigital number, since it uses as much as digits as its factorization.

20330230301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37167330.

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

Adding to 20330230301 its reverse (10303203302), we get a palindrome (30633433603).

The spelling of 20330230301 in words is "twenty billion, three hundred thirty million, two hundred thirty thousand, three hundred one".

Divisors: 1 547 37166783 20330230301