13322023220 has 48 divisors (see below), whose sum is σ = 30821769216. Its totient is φ = 4796400000.

The previous prime is 13322023201. The next prime is 13322023289. The reversal of 13322023220 is 2232022331.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13322023192 and 13322023201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277556 + ... + 321995.

It is an arithmetic number, because the mean of its divisors is an integer number (642120192).

Almost surely, 2^13322023220 is an apocalyptic number.

13322023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13322023220 is an abundant number, since it is smaller than the sum of its proper divisors (17499745996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13322023220 is a wasteful number, since it uses less digits than its factorization.

13322023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599672 (or 599670 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13322023220 its reverse (2232022331), we get a palindrome (15554045551).

The spelling of 13322023220 in words is "thirteen billion, three hundred twenty-two million, twenty-three thousand, two hundred twenty".