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20200120220201 is a prime number
BaseRepresentation
bin1001001011111001101001…
…11111010111101000101001
32122112010001002222000021012
410211330310333113220221
510121424321234021301
6110543450200553305
74153260544565045
oct445746477275051
978463032860235
1020200120220201
116488906280479
122322b03482835
13b36b2b4a610c
144db9962b5025
152506b8b55ebb
hex125f34fd7a29

20200120220201 has 2 divisors, whose sum is σ = 20200120220202. Its totient is φ = 20200120220200.

The previous prime is 20200120220179. The next prime is 20200120220209. The reversal of 20200120220201 is 10202202100202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19211390286400 + 988729933801 = 4383080^2 + 994349^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200120220201 - 214 = 20200120203817 is a prime.

It is not a weakly prime, because it can be changed into another prime (20200120220209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100060110100 + 10100060110101.

It is an arithmetic number, because the mean of its divisors is an integer number (10100060110101).

Almost surely, 220200120220201 is an apocalyptic number.

It is an amenable number.

20200120220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200120220201 is an equidigital number, since it uses as much as digits as its factorization.

20200120220201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20200120220201 its reverse (10202202100202), we get a palindrome (30402322320403).

The spelling of 20200120220201 in words is "twenty trillion, two hundred billion, one hundred twenty million, two hundred twenty thousand, two hundred one".