13220201893 has 2 divisors, whose sum is σ = 13220201894. Its totient is φ = 13220201892.

The previous prime is 13220201887. The next prime is 13220201927. The reversal of 13220201893 is 39810202231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10564139524 + 2656062369 = 102782^2 + 51537^2 .

It is a cyclic number.

It is not a de Polignac number, because 13220201893 - 2⁹ = 13220201381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220601893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610100946 + 6610100947.

It is an arithmetic number, because the mean of its divisors is an integer number (6610100947).

Almost surely, 2^13220201893 is an apocalyptic number.

It is an amenable number.

13220201893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220201893 is an equidigital number, since it uses as much as digits as its factorization.

13220201893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 13220201893 in words is "thirteen billion, two hundred twenty million, two hundred one thousand, eight hundred ninety-three".