Search a number
-
+
20202012112349 is a prime number
BaseRepresentation
bin1001001011111101001011…
…10000010111010111011101
32122112021220221220002101202
410211332211300113113131
510121442210100043344
6110544402022445245
74153355456445434
oct445764560272735
978467827802352
1020202012112349
116489697199001
122323350b93825
13b3707042b422
144dbad566c11b
15250779cb194e
hex125fa5c175dd

20202012112349 has 2 divisors, whose sum is σ = 20202012112350. Its totient is φ = 20202012112348.

The previous prime is 20202012112301. The next prime is 20202012112351. The reversal of 20202012112349 is 94321121020202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19280617540900 + 921394571449 = 4390970^2 + 959893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20202012112349 is a prime.

It is a Sophie Germain prime.

Together with 20202012112351, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202012112649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101006056174 + 10101006056175.

It is an arithmetic number, because the mean of its divisors is an integer number (10101006056175).

Almost surely, 220202012112349 is an apocalyptic number.

It is an amenable number.

20202012112349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202012112349 is an equidigital number, since it uses as much as digits as its factorization.

20202012112349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 20202012112349 in words is "twenty trillion, two hundred two billion, twelve million, one hundred twelve thousand, three hundred forty-nine".