10013122020 has 96 divisors (see below), whose sum is σ = 30972856320. Its totient is φ = 2396684160.

The previous prime is 10013122019. The next prime is 10013122027. The reversal of 10013122020 is 2022131001.

It is a super-2 number, since 2×10013122020² (a number of 21 digits) contains 22 as substring.

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 = 10013121987 and 10013122005.

It is not an unprimeable number, because it can be changed into a prime (10013122027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43882 + ... + 148161.

It is an arithmetic number, because the mean of its divisors is an integer number (322633920).

Almost surely, 2^10013122020 is an apocalyptic number.

10013122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10013122020 is an abundant number, since it is smaller than the sum of its proper divisors (20959734300).

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

10013122020 is a wasteful number, since it uses less digits than its factorization.

10013122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192145 (or 192143 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10013122020 its reverse (2022131001), we get a palindrome (12035253021).

The spelling of 10013122020 in words is "ten billion, thirteen million, one hundred twenty-two thousand, twenty".