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20303033201 = 111845730291
BaseRepresentation
bin10010111010001001…
…111011001101110001
31221101221201221122122
4102322021323031301
5313040034030301
613154352244025
71316061635423
oct227211731561
957357657578
1020303033201
118679595390
123b27540615
131bb73c8219
14da8648813
157dc67881b
hex4ba27b371

20303033201 has 4 divisors (see below), whose sum is σ = 22148763504. Its totient is φ = 18457302900.

The previous prime is 20303033189. The next prime is 20303033269. The reversal of 20303033201 is 10233030302.

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 20303033201 - 26 = 20303033137 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 20303033201.

It is not an unprimeable number, because it can be changed into a prime (20303033291) 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, 922865135 + ... + 922865156.

It is an arithmetic number, because the mean of its divisors is an integer number (5537190876).

Almost surely, 220303033201 is an apocalyptic number.

It is an amenable number.

20303033201 is a deficient number, since it is larger than the sum of its proper divisors (1845730303).

20303033201 is a wasteful number, since it uses less digits than its factorization.

20303033201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845730302.

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

Adding to 20303033201 its reverse (10233030302), we get a palindrome (30536063503).

The spelling of 20303033201 in words is "twenty billion, three hundred three million, thirty-three thousand, two hundred one".

Divisors: 1 11 1845730291 20303033201