13002231020 has 24 divisors (see below), whose sum is σ = 27321849744. Its totient is φ = 5197622976.

The previous prime is 13002231019. The next prime is 13002231029. The reversal of 13002231020 is 2013220031.

It is a happy number.

It is a super-2 number, since 2×13002231020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13002230986 and 13002231004.

It is not an unprimeable number, because it can be changed into a prime (13002231029) 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, 171602 + ... + 235481.

It is an arithmetic number, because the mean of its divisors is an integer number (1138410406).

Almost surely, 2^13002231020 is an apocalyptic number.

13002231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13002231020 is an abundant number, since it is smaller than the sum of its proper divisors (14319618724).

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

13002231020 is a wasteful number, since it uses less digits than its factorization.

13002231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408689 (or 408687 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13002231020 its reverse (2013220031), we get a palindrome (15015451051).

The spelling of 13002231020 in words is "thirteen billion, two million, two hundred thirty-one thousand, twenty".