23342020 has 48 divisors (see below), whose sum is σ = 55904688. Its totient is φ = 8110080.

The previous prime is 23342017. The next prime is 23342021. The reversal of 23342020 is 2024332.

It can be written as a sum of positive squares in 8 ways, for example, as 2383936 + 20958084 = 1544^2 + 4578^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23341985 and 23342003.

It is not an unprimeable number, because it can be changed into a prime (23342021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1780 + ... + 7060.

It is an arithmetic number, because the mean of its divisors is an integer number (1164681).

Almost surely, 2^23342020 is an apocalyptic number.

23342020 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 23342020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27952344).

23342020 is an abundant number, since it is smaller than the sum of its proper divisors (32562668).

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

23342020 is a wasteful number, since it uses less digits than its factorization.

23342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320 (or 5318 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 23342020 is about 4831.3579871502. The cubic root of 23342020 is about 285.7894190502.

Adding to 23342020 its reverse (2024332), we get a palindrome (25366352).

The spelling of 23342020 in words is "twenty-three million, three hundred forty-two thousand, twenty".