20331013411 has 2 divisors, whose sum is σ = 20331013412. Its totient is φ = 20331013410.

The previous prime is 20331013399. The next prime is 20331013429. The reversal of 20331013411 is 11431013302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20331013411 - 2⁵ = 20331013379 is a prime.

It is not a weakly prime, because it can be changed into another prime (20331010411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165506705 + 10165506706.

It is an arithmetic number, because the mean of its divisors is an integer number (10165506706).

Almost surely, 2^20331013411 is an apocalyptic number.

20331013411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331013411 is an equidigital number, since it uses as much as digits as its factorization.

20331013411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20331013411 its reverse (11431013302), we get a palindrome (31762026713).

The spelling of 20331013411 in words is "twenty billion, three hundred thirty-one million, thirteen thousand, four hundred eleven".