Search a number
-
+
20045152201 is a prime number
BaseRepresentation
bin10010101010110010…
…001011111111001001
31220201222111020102111
4102222302023333021
5312023024332301
613113021102321
71306510660654
oct225262137711
956658436374
1020045152201
118556a69598
123a750b79a1
131b75b56609
14d822ba89b
157c4bd9551
hex4aac8bfc9

20045152201 has 2 divisors, whose sum is σ = 20045152202. Its totient is φ = 20045152200.

The previous prime is 20045152189. The next prime is 20045152249. The reversal of 20045152201 is 10225154002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13712175801 + 6332976400 = 117099^2 + 79580^2 .

It is a cyclic number.

It is not a de Polignac number, because 20045152201 - 225 = 20011597769 is a prime.

It is a super-2 number, since 2×200451522012 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20045152261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022576100 + 10022576101.

It is an arithmetic number, because the mean of its divisors is an integer number (10022576101).

Almost surely, 220045152201 is an apocalyptic number.

It is an amenable number.

20045152201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20045152201 is an equidigital number, since it uses as much as digits as its factorization.

20045152201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 20045152201 in words is "twenty billion, forty-five million, one hundred fifty-two thousand, two hundred one".