13020022 has 4 divisors (see below), whose sum is σ = 19530036. Its totient is φ = 6510010.

The previous prime is 13020017. The next prime is 13020037. The reversal of 13020022 is 22002031.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13019990 and 13020008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255004 + ... + 3255007.

It is an arithmetic number, because the mean of its divisors is an integer number (4882509).

Almost surely, 2^13020022 is an apocalyptic number.

13020022 is a deficient number, since it is larger than the sum of its proper divisors (6510014).

13020022 is an equidigital number, since it uses as much as digits as its factorization.

13020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510013.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 13020022 is about 3608.3267590394. The cubic root of 13020022 is about 235.2541207578.

Adding to 13020022 its reverse (22002031), we get a palindrome (35022053).

Subtracting 13020022 from its reverse (22002031), we obtain a square (8982009 = 2997²).

The spelling of 13020022 in words is "thirteen million, twenty thousand, twenty-two".