20020200110291 has 2 divisors, whose sum is σ = 20020200110292. Its totient is φ = 20020200110290.

The previous prime is 20020200110201. The next prime is 20020200110299. The reversal of 20020200110291 is 19201100202002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020200110291 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020200110299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010100055145 + 10010100055146.

It is an arithmetic number, because the mean of its divisors is an integer number (10010100055146).

Almost surely, 2^{20020200110291} is an apocalyptic number.

20020200110291 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020200110291 is an equidigital number, since it uses as much as digits as its factorization.

20020200110291 is an evil number, because the sum of its binary digits is even.

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

Adding to 20020200110291 its reverse (19201100202002), we get a palindrome (39221300312293).

The spelling of 20020200110291 in words is "twenty trillion, twenty billion, two hundred million, one hundred ten thousand, two hundred ninety-one".