2042323220 has 96 divisors (see below), whose sum is σ = 5208198912. Its totient is φ = 656713728.

The previous prime is 2042323211. The next prime is 2042323223. The reversal of 2042323220 is 223232402.

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 = 2042323192 and 2042323201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042323223) 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, 753107 + ... + 755813.

It is an arithmetic number, because the mean of its divisors is an integer number (54252072).

Almost surely, 2^2042323220 is an apocalyptic number.

2042323220 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 2042323220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604099456).

2042323220 is an abundant number, since it is smaller than the sum of its proper divisors (3165875692).

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

2042323220 is a wasteful number, since it uses less digits than its factorization.

2042323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057 (or 3055 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2042323220 is about 45192.0703221262. The cubic root of 2042323220 is about 1268.7464059691.

Adding to 2042323220 its reverse (223232402), we get a palindrome (2265555622).

The spelling of 2042323220 in words is "two billion, forty-two million, three hundred twenty-three thousand, two hundred twenty".