13012030020 has 48 divisors (see below), whose sum is σ = 39745839168. Its totient is φ = 3154431360.

The previous prime is 13012029991. The next prime is 13012030037. The reversal of 13012030020 is 2003021031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 13012029978 and 13012030005.

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, 9856939 + ... + 9858258.

It is an arithmetic number, because the mean of its divisors is an integer number (828038316).

Almost surely, 2^13012030020 is an apocalyptic number.

13012030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012030020 is an abundant number, since it is smaller than the sum of its proper divisors (26733809148).

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

13012030020 is a wasteful number, since it uses less digits than its factorization.

13012030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19715220 (or 19715218 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 13012030020 its reverse (2003021031), we get a palindrome (15015051051).

The spelling of 13012030020 in words is "thirteen billion, twelve million, thirty thousand, twenty".