13220303020 has 24 divisors (see below), whose sum is σ = 27800033184. Its totient is φ = 5280998016.

The previous prime is 13220303003. The next prime is 13220303029. The reversal of 13220303020 is 2030302231.

It is a super-2 number, since 2×13220303020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13220302985 and 13220303003.

It is not an unprimeable number, because it can be changed into a prime (13220303029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429969 + ... + 459688.

It is an arithmetic number, because the mean of its divisors is an integer number (1158334716).

Almost surely, 2^13220303020 is an apocalyptic number.

13220303020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13220303020 is an abundant number, since it is smaller than the sum of its proper divisors (14579730164).

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

13220303020 is a wasteful number, since it uses less digits than its factorization.

13220303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890409 (or 890407 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 13220303020 its reverse (2030302231), we get a palindrome (15250605251).

The spelling of 13220303020 in words is "thirteen billion, two hundred twenty million, three hundred three thousand, twenty".