13553420205 has 16 divisors (see below), whose sum is σ = 23353585920. Its totient is φ = 6672452928.

The previous prime is 13553420183. The next prime is 13553420239. The reversal of 13553420205 is 50202435531.

It is not a de Polignac number, because 13553420205 - 2⁵ = 13553420173 is a prime.

It is a congruent number.

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, 34752165 + ... + 34752554.

It is an arithmetic number, because the mean of its divisors is an integer number (1459599120).

Almost surely, 2^13553420205 is an apocalyptic number.

13553420205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13553420205 is a deficient number, since it is larger than the sum of its proper divisors (9800165715).

13553420205 is a wasteful number, since it uses less digits than its factorization.

13553420205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69504740.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 13553420205 its reverse (50202435531), we get a palindrome (63755855736).

The spelling of 13553420205 in words is "thirteen billion, five hundred fifty-three million, four hundred twenty thousand, two hundred five".