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2020130191 is a prime number
BaseRepresentation
bin111100001101000…
…1011110110001111
312012210020020122201
41320122023312033
513114123131231
6532242222331
7101026552252
oct17032136617
95183206581
102020130191
11947346792
124846549a7
132626a4b11
14152419099
15bc53c161
hex7868bd8f

2020130191 has 2 divisors, whose sum is σ = 2020130192. Its totient is φ = 2020130190.

The previous prime is 2020130149. The next prime is 2020130201. The reversal of 2020130191 is 1910310202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020130191 - 29 = 2020129679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020130491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010065095 + 1010065096.

It is an arithmetic number, because the mean of its divisors is an integer number (1010065096).

Almost surely, 22020130191 is an apocalyptic number.

2020130191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020130191 is an equidigital number, since it uses as much as digits as its factorization.

2020130191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2020130191 is about 44945.8584410177. The cubic root of 2020130191 is about 1264.1340219262.

Adding to 2020130191 its reverse (1910310202), we get a palindrome (3930440393).

The spelling of 2020130191 in words is "two billion, twenty million, one hundred thirty thousand, one hundred ninety-one".