10013123020 has 12 divisors (see below), whose sum is σ = 21027558384. Its totient is φ = 4005249200.

The previous prime is 10013123017. The next prime is 10013123027. The reversal of 10013123020 is 2032131001.

It is a super-2 number, since 2×10013123020² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10013123027) 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, 250328056 + ... + 250328095.

It is an arithmetic number, because the mean of its divisors is an integer number (1752296532).

Almost surely, 2^10013123020 is an apocalyptic number.

10013123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10013123020 is an abundant number, since it is smaller than the sum of its proper divisors (11014435364).

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

10013123020 is a wasteful number, since it uses less digits than its factorization.

10013123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500656160 (or 500656158 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10013123020 its reverse (2032131001), we get a palindrome (12045254021).

The spelling of 10013123020 in words is "ten billion, thirteen million, one hundred twenty-three thousand, twenty".