13552020028 has 12 divisors (see below), whose sum is σ = 24964247560. Its totient is φ = 6419377872.

The previous prime is 13552020019. The next prime is 13552020029. The reversal of 13552020028 is 82002025531.

It is a super-3 number, since 3×13552020028³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13552019978 and 13552020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13552020029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89157951 + ... + 89158102.

Almost surely, 2^13552020028 is an apocalyptic number.

It is an amenable number.

13552020028 is a deficient number, since it is larger than the sum of its proper divisors (11412227532).

13552020028 is a wasteful number, since it uses less digits than its factorization.

13552020028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178316076 (or 178316074 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 13552020028 its reverse (82002025531), we get a palindrome (95554045559).

The spelling of 13552020028 in words is "thirteen billion, five hundred fifty-two million, twenty thousand, twenty-eight".