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20400201301 is a prime number
BaseRepresentation
bin10010111111111100…
…100101111001010101
31221122201120121020011
4102333330211321111
5313234422420201
613212143040221
71321351564354
oct227774457125
957581517204
1020400201301
1187194221a7
123b53ba0071
131c01589a3c
14db74dd99b
157e5e6e151
hex4bff25e55

20400201301 has 2 divisors, whose sum is σ = 20400201302. Its totient is φ = 20400201300.

The previous prime is 20400201299. The next prime is 20400201307. The reversal of 20400201301 is 10310200402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16249620676 + 4150580625 = 127474^2 + 64425^2 .

It is a cyclic number.

It is not a de Polignac number, because 20400201301 - 21 = 20400201299 is a prime.

Together with 20400201299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20400201307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10200100650 + 10200100651.

It is an arithmetic number, because the mean of its divisors is an integer number (10200100651).

Almost surely, 220400201301 is an apocalyptic number.

It is an amenable number.

20400201301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20400201301 is an equidigital number, since it uses as much as digits as its factorization.

20400201301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20400201301 its reverse (10310200402), we get a palindrome (30710401703).

The spelling of 20400201301 in words is "twenty billion, four hundred million, two hundred one thousand, three hundred one".