13020828922 has 4 divisors (see below), whose sum is σ = 19531243386. Its totient is φ = 6510414460.

The previous prime is 13020828917. The next prime is 13020828937. The reversal of 13020828922 is 22982802031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22982802031 = 7 ⋅3283257433.

It can be written as a sum of positive squares in only one way, i.e., 11597351481 + 1423477441 = 107691^2 + 37729^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255207229 + ... + 3255207232.

Almost surely, 2^13020828922 is an apocalyptic number.

13020828922 is a deficient number, since it is larger than the sum of its proper divisors (6510414464).

13020828922 is an equidigital number, since it uses as much as digits as its factorization.

13020828922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510414463.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 13020828922 in words is "thirteen billion, twenty million, eight hundred twenty-eight thousand, nine hundred twenty-two".