13551152020 has 48 divisors (see below), whose sum is σ = 32555916288. Its totient is φ = 4641373440.

The previous prime is 13551152011. The next prime is 13551152063. The reversal of 13551152020 is 2025115531.

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, 89904 + ... + 187576.

It is an arithmetic number, because the mean of its divisors is an integer number (678248256).

Almost surely, 2^13551152020 is an apocalyptic number.

13551152020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13551152020 is an abundant number, since it is smaller than the sum of its proper divisors (19004764268).

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

13551152020 is a wasteful number, since it uses less digits than its factorization.

13551152020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98680 (or 98678 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 13551152020 its reverse (2025115531), we get a palindrome (15576267551).

The spelling of 13551152020 in words is "thirteen billion, five hundred fifty-one million, one hundred fifty-two thousand, twenty".