20233331022013 has 2 divisors, whose sum is σ = 20233331022014. Its totient is φ = 20233331022012.

The previous prime is 20233331021993. The next prime is 20233331022043. The reversal of 20233331022013 is 31022013333202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20101476340089 + 131854681924 = 4483467^2 + 363118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20233331022013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20233331022043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116665511006 + 10116665511007.

It is an arithmetic number, because the mean of its divisors is an integer number (10116665511007).

Almost surely, 2^{20233331022013} is an apocalyptic number.

It is an amenable number.

20233331022013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233331022013 is an equidigital number, since it uses as much as digits as its factorization.

20233331022013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20233331022013 its reverse (31022013333202), we get a palindrome (51255344355215).

The spelling of 20233331022013 in words is "twenty trillion, two hundred thirty-three billion, three hundred thirty-one million, twenty-two thousand, thirteen".