2013223022120 has 64 divisors (see below), whose sum is σ = 4621434030720. Its totient is φ = 789031070464.

The previous prime is 2013223022087. The next prime is 2013223022131. The reversal of 2013223022120 is 212203223102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2013223022092 and 2013223022101.

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, 936107 + ... + 2214213.

It is an arithmetic number, because the mean of its divisors is an integer number (72209906730).

Almost surely, 2^{2013223022120} is an apocalyptic number.

2013223022120 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 2013223022120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2310717015360).

2013223022120 is an abundant number, since it is smaller than the sum of its proper divisors (2608211008600).

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

2013223022120 is a wasteful number, since it uses less digits than its factorization.

2013223022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278914 (or 1278910 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2013223022120 its reverse (212203223102), we get a palindrome (2225426245222).

The spelling of 2013223022120 in words is "two trillion, thirteen billion, two hundred twenty-three million, twenty-two thousand, one hundred twenty".