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20300302441 = 29700010429
BaseRepresentation
bin10010111001111111…
…100000100001101001
31221101202121012202101
4102321333200201221
5313033334134231
613154213533401
71316026503136
oct227177404151
957352535671
1020300302441
118677a9a761
123b26644261
131bb69802a3
14da813758d
157dc2d9661
hex4b9fe0869

20300302441 has 4 divisors (see below), whose sum is σ = 21000312900. Its totient is φ = 19600291984.

The previous prime is 20300302391. The next prime is 20300302459. The reversal of 20300302441 is 14420300302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9017401600 + 11282900841 = 94960^2 + 106221^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300302441 - 211 = 20300300393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20300002441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350005186 + ... + 350005243.

It is an arithmetic number, because the mean of its divisors is an integer number (5250078225).

Almost surely, 220300302441 is an apocalyptic number.

It is an amenable number.

20300302441 is a deficient number, since it is larger than the sum of its proper divisors (700010459).

20300302441 is an equidigital number, since it uses as much as digits as its factorization.

20300302441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700010458.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20300302441 its reverse (14420300302), we get a palindrome (34720602743).

The spelling of 20300302441 in words is "twenty billion, three hundred million, three hundred two thousand, four hundred forty-one".

Divisors: 1 29 700010429 20300302441