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20201001941 is a prime number
BaseRepresentation
bin10010110100000100…
…101101001111010101
31221010211202020002002
4102310010231033111
5312332424030231
613140305325045
71313412453251
oct226404551725
957124666062
1020201001941
118626a3682a
123ab9336785
131b9c222cb3
14d98c89261
157d37220cb
hex4b412d3d5

20201001941 has 2 divisors, whose sum is σ = 20201001942. Its totient is φ = 20201001940.

The previous prime is 20201001857. The next prime is 20201001971. The reversal of 20201001941 is 14910010202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16990079716 + 3210922225 = 130346^2 + 56665^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201001941 - 222 = 20196807637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201001971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100500970 + 10100500971.

It is an arithmetic number, because the mean of its divisors is an integer number (10100500971).

Almost surely, 220201001941 is an apocalyptic number.

It is an amenable number.

20201001941 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201001941 is an equidigital number, since it uses as much as digits as its factorization.

20201001941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 20201001941 in words is "twenty billion, two hundred one million, one thousand, nine hundred forty-one".