13020120154522 has 16 divisors (see below), whose sum is σ = 21050220879072. Its totient is φ = 6004223627760.

The previous prime is 13020120154493. The next prime is 13020120154537. The reversal of 13020120154522 is 22545102102031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210910104 + ... + 210971827.

It is an arithmetic number, because the mean of its divisors is an integer number (1315638804942).

Almost surely, 2^{13020120154522} is an apocalyptic number.

13020120154522 is a deficient number, since it is larger than the sum of its proper divisors (8030100724550).

13020120154522 is a wasteful number, since it uses less digits than its factorization.

13020120154522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421883133.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 13020120154522 its reverse (22545102102031), we get a palindrome (35565222256553).

The spelling of 13020120154522 in words is "thirteen trillion, twenty billion, one hundred twenty million, one hundred fifty-four thousand, five hundred twenty-two".