13405433304220 has 24 divisors (see below), whose sum is σ = 28231158990384. Its totient is φ = 5346983026176.

The previous prime is 13405433304191. The next prime is 13405433304247. The reversal of 13405433304220 is 2240333450431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949386234 + ... + 949400353.

It is an arithmetic number, because the mean of its divisors is an integer number (1176298291266).

Almost surely, 2^{13405433304220} is an apocalyptic number.

13405433304220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13405433304220 is an abundant number, since it is smaller than the sum of its proper divisors (14825725686164).

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

13405433304220 is a wasteful number, since it uses less digits than its factorization.

13405433304220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898786949 (or 1898786947 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 13405433304220 its reverse (2240333450431), we get a palindrome (15645766754651).

The spelling of 13405433304220 in words is "thirteen trillion, four hundred five billion, four hundred thirty-three million, three hundred four thousand, two hundred twenty".