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20301021302 = 210150510651
BaseRepresentation
bin10010111010000010…
…010000000001110110
31221101210221201211212
4102322002100001312
5313034030140202
613154241201422
71316035556012
oct227202200166
957353851755
1020301021302
118678440861
123b26930272
131bb6b72553
14da8283542
157dc3cc652
hex4ba090076

20301021302 has 4 divisors (see below), whose sum is σ = 30451531956. Its totient is φ = 10150510650.

The previous prime is 20301021289. The next prime is 20301021331. The reversal of 20301021302 is 20312010302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20312010302 = 210156005151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075255324 + ... + 5075255327.

It is an arithmetic number, because the mean of its divisors is an integer number (7612882989).

Almost surely, 220301021302 is an apocalyptic number.

20301021302 is a deficient number, since it is larger than the sum of its proper divisors (10150510654).

20301021302 is a wasteful number, since it uses less digits than its factorization.

20301021302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10150510653.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20301021302 its reverse (20312010302), we get a palindrome (40613031604).

The spelling of 20301021302 in words is "twenty billion, three hundred one million, twenty-one thousand, three hundred two".

Divisors: 1 2 10150510651 20301021302