13532020000 has 60 divisors (see below), whose sum is σ = 33290848206. Its totient is φ = 5412800000.

The previous prime is 13532019971. The next prime is 13532020013. The reversal of 13532020000 is 2023531.

It can be written as a sum of positive squares in 5 ways, for example, as 76947984 + 13455072016 = 8772^2 + 115996^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 318301 + ... + 358300.

Almost surely, 2^13532020000 is an apocalyptic number.

13532020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13532020000 is an abundant number, since it is smaller than the sum of its proper divisors (19758828206).

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

13532020000 is an frugal number, since it uses more digits than its factorization.

13532020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676631 (or 676608 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 13532020000 its reverse (2023531), we get a palindrome (13534043531).

The spelling of 13532020000 in words is "thirteen billion, five hundred thirty-two million, twenty thousand".