13020029988 has 48 divisors (see below), whose sum is σ = 35063865984. Its totient is φ = 3683174400.

The previous prime is 13020029969. The next prime is 13020029993. The reversal of 13020029988 is 88992002031.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 758845 + ... + 775812.

It is an arithmetic number, because the mean of its divisors is an integer number (730497208).

Almost surely, 2^13020029988 is an apocalyptic number.

It is an amenable number.

13020029988 is an abundant number, since it is smaller than the sum of its proper divisors (22043835996).

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

13020029988 is a wasteful number, since it uses less digits than its factorization.

13020029988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534772 (or 1534770 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 13020029988 in words is "thirteen billion, twenty million, twenty-nine thousand, nine hundred eighty-eight".