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20300232401 is a prime number
BaseRepresentation
bin10010111001111111…
…001111011011010001
31221101202110122200022
4102321333033123101
5313033324414101
613154212233225
71316026062011
oct227177173321
957352418608
1020300232401
118677a52079
123b2660b815
131bb6957447
14da8119c41
157dc2c3a1b
hex4b9fcf6d1

20300232401 has 2 divisors, whose sum is σ = 20300232402. Its totient is φ = 20300232400.

The previous prime is 20300232391. The next prime is 20300232473. The reversal of 20300232401 is 10423200302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20100434176 + 199798225 = 141776^2 + 14135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20300232401 is a prime.

It is a super-2 number, since 2×203002324012 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20300232401.

It is not a weakly prime, because it can be changed into another prime (20300262401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150116200 + 10150116201.

It is an arithmetic number, because the mean of its divisors is an integer number (10150116201).

Almost surely, 220300232401 is an apocalyptic number.

It is an amenable number.

20300232401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300232401 is an equidigital number, since it uses as much as digits as its factorization.

20300232401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20300232401 its reverse (10423200302), we get a palindrome (30723432703).

The spelling of 20300232401 in words is "twenty billion, three hundred million, two hundred thirty-two thousand, four hundred one".