20010241291 has 2 divisors, whose sum is σ = 20010241292. Its totient is φ = 20010241290.

The previous prime is 20010241249. The next prime is 20010241331. The reversal of 20010241291 is 19214201002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010241291 - 2¹⁵ = 20010208523 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010241591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005120645 + 10005120646.

It is an arithmetic number, because the mean of its divisors is an integer number (10005120646).

Almost surely, 2^20010241291 is an apocalyptic number.

20010241291 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010241291 is an equidigital number, since it uses as much as digits as its factorization.

20010241291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 20010241291 its reverse (19214201002), we get a palindrome (39224442293).

The spelling of 20010241291 in words is "twenty billion, ten million, two hundred forty-one thousand, two hundred ninety-one".