13021020430 has 32 divisors (see below), whose sum is σ = 25599794688. Its totient is φ = 4729130400.

The previous prime is 13021020407. The next prime is 13021020433. The reversal of 13021020430 is 3402012031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021020433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18615 + ... + 162445.

It is an arithmetic number, because the mean of its divisors is an integer number (799993584).

Almost surely, 2^13021020430 is an apocalyptic number.

13021020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13021020430 is a deficient number, since it is larger than the sum of its proper divisors (12578774258).

13021020430 is a wasteful number, since it uses less digits than its factorization.

13021020430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144672.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13021020430 its reverse (3402012031), we get a palindrome (16423032461).

The spelling of 13021020430 in words is "thirteen billion, twenty-one million, twenty thousand, four hundred thirty".