2013403434020 has 96 divisors (see below), whose sum is σ = 4814459790336. Its totient is φ = 700111843200.

The previous prime is 2013403433971. The next prime is 2013403434121. The reversal of 2013403434020 is 204343043102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18013547 + ... + 18124973.

It is an arithmetic number, because the mean of its divisors is an integer number (50150622816).

Almost surely, 2^{2013403434020} is an apocalyptic number.

2013403434020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013403434020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2407229895168).

2013403434020 is an abundant number, since it is smaller than the sum of its proper divisors (2801056356316).

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

2013403434020 is a wasteful number, since it uses less digits than its factorization.

2013403434020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115041 (or 115039 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 2013403434020 its reverse (204343043102), we get a palindrome (2217746477122).

The spelling of 2013403434020 in words is "two trillion, thirteen billion, four hundred three million, four hundred thirty-four thousand, twenty".