13402332420 has 48 divisors (see below), whose sum is σ = 37687628160. Its totient is φ = 3558612736.

The previous prime is 13402332389. The next prime is 13402332473. The reversal of 13402332420 is 2423320431.

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, 465360 + ... + 493319.

It is an arithmetic number, because the mean of its divisors is an integer number (785158920).

Almost surely, 2^13402332420 is an apocalyptic number.

13402332420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13402332420 is an abundant number, since it is smaller than the sum of its proper divisors (24285295740).

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

13402332420 is a wasteful number, since it uses less digits than its factorization.

13402332420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958924 (or 958922 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13402332420 its reverse (2423320431), we get a palindrome (15825652851).

The spelling of 13402332420 in words is "thirteen billion, four hundred two million, three hundred thirty-two thousand, four hundred twenty".