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20203130301 = 371193349069
BaseRepresentation
bin10010110100001100…
…110100110110111101
31221010222202100122020
4102310030310312331
5312334000132201
613140423110353
71313436526344
oct226414646675
957128670566
1020203130301
11862815a902
123ab9ba23b9
131b9c7b9993
14d99280b5b
157d39e2a36
hex4b4334dbd

20203130301 has 16 divisors (see below), whose sum is σ = 27331597440. Its totient is φ = 13271912640.

The previous prime is 20203130291. The next prime is 20203130329. The reversal of 20203130301 is 10303130202.

It is not a de Polignac number, because 20203130301 - 213 = 20203122109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203130351) 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 15 ways as a sum of consecutive naturals, for example, 387195 + ... + 436263.

It is an arithmetic number, because the mean of its divisors is an integer number (1708224840).

Almost surely, 220203130301 is an apocalyptic number.

It is an amenable number.

20203130301 is a deficient number, since it is larger than the sum of its proper divisors (7128467139).

20203130301 is a wasteful number, since it uses less digits than its factorization.

20203130301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51076.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20203130301 its reverse (10303130202), we get a palindrome (30506260503).

Subtracting from 20203130301 its reverse (10303130202), we obtain a palindrome (9900000099).

The spelling of 20203130301 in words is "twenty billion, two hundred three million, one hundred thirty thousand, three hundred one".

Divisors: 1 3 71 213 1933 5799 49069 137243 147207 411729 3483899 10451697 94850377 284551131 6734376767 20203130301