13020222330 has 96 divisors (see below), whose sum is σ = 34509056400. Its totient is φ = 3405265920.

The previous prime is 13020222317. The next prime is 13020222331. The reversal of 13020222330 is 3322202031.

It is a happy number.

13020222330 is a `hidden beast` number, since 130 + 202 + 2 + 2 + 330 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 221146641 + 12799075689 = 14871^2 + 113133^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13020222331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1183696 + ... + 1194644.

Almost surely, 2^13020222330 is an apocalyptic number.

13020222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13020222330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17254528200).

13020222330 is an abundant number, since it is smaller than the sum of its proper divisors (21488834070).

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

13020222330 is a wasteful number, since it uses less digits than its factorization.

13020222330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11216 (or 11213 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 13020222330 its reverse (3322202031), we get a palindrome (16342424361).

The spelling of 13020222330 in words is "thirteen billion, twenty million, two hundred twenty-two thousand, three hundred thirty".