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20301030301 = 171923307973
BaseRepresentation
bin10010111010000010…
…010010001110011101
31221101210222012012011
4102322002102032131
5313034030432201
613154241311221
71316035624156
oct227202221635
957353865164
1020301030301
1186784475a2
123b26935511
131bb6b76686
14da828692d
157dc3d0151
hex4ba09239d

20301030301 has 12 divisors (see below), whose sum is σ = 22686085692. Its totient is φ = 18101222784.

The previous prime is 20301030289. The next prime is 20301030313. The reversal of 20301030301 is 10303010302.

It is an interprime number because it is at equal distance from previous prime (20301030289) and next prime (20301030313).

It can be written as a sum of positive squares in 2 ways, for example, as 16345878201 + 3955152100 = 127851^2 + 62890^2 .

It is not a de Polignac number, because 20301030301 - 223 = 20292641693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301030331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1647850 + ... + 1660123.

It is an arithmetic number, because the mean of its divisors is an integer number (1890507141).

Almost surely, 220301030301 is an apocalyptic number.

It is an amenable number.

20301030301 is a deficient number, since it is larger than the sum of its proper divisors (2385055391).

20301030301 is a wasteful number, since it uses less digits than its factorization.

20301030301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308028 (or 3308009 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20301030301 its reverse (10303010302), we get a palindrome (30604040603).

The spelling of 20301030301 in words is "twenty billion, three hundred one million, thirty thousand, three hundred one".

Divisors: 1 17 19 323 361 6137 3307973 56235541 62851487 1068475279 1194178253 20301030301