Search a number
-
+
20372250355001 is a prime number
BaseRepresentation
bin1001010000111010010001…
…01111101110010100111001
32200010120100011011211222222
410220131020233232110321
510132234332042330001
6111154514351053425
74201563232566536
oct450351057562471
980116304154888
1020372250355001
116544906249426
122350341511275
13b4a13083c49c
14506044bddd8d
15254de04bc61b
hex128748bee539

20372250355001 has 2 divisors, whose sum is σ = 20372250355002. Its totient is φ = 20372250355000.

The previous prime is 20372250354977. The next prime is 20372250355003. The reversal of 20372250355001 is 10055305227302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14855628490000 + 5516621865001 = 3854300^2 + 2348749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20372250355001 is a prime.

It is a Sophie Germain prime.

Together with 20372250355003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20372250355003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10186125177500 + 10186125177501.

It is an arithmetic number, because the mean of its divisors is an integer number (10186125177501).

Almost surely, 220372250355001 is an apocalyptic number.

It is an amenable number.

20372250355001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20372250355001 is an equidigital number, since it uses as much as digits as its factorization.

20372250355001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 20372250355001 in words is "twenty trillion, three hundred seventy-two billion, two hundred fifty million, three hundred fifty-five thousand, one".