2013501020 has 12 divisors (see below), whose sum is σ = 4228352184. Its totient is φ = 805400400.

The previous prime is 2013500989. The next prime is 2013501031. The reversal of 2013501020 is 201053102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2013500986 and 2013501004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50337506 + ... + 50337545.

It is an arithmetic number, because the mean of its divisors is an integer number (352362682).

Almost surely, 2^2013501020 is an apocalyptic number.

2013501020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013501020 is an abundant number, since it is smaller than the sum of its proper divisors (2214851164).

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

2013501020 is a wasteful number, since it uses less digits than its factorization.

2013501020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100675060 (or 100675058 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2013501020 is about 44872.0516580198. The cubic root of 2013501020 is about 1262.7497309466.

Adding to 2013501020 its reverse (201053102), we get a palindrome (2214554122).

The spelling of 2013501020 in words is "two billion, thirteen million, five hundred one thousand, twenty".