23202120 has 64 divisors (see below), whose sum is σ = 69984000. Its totient is φ = 6153728.

The previous prime is 23202077. The next prime is 23202121. The reversal of 23202120 is 2120232.

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 = 23202096 and 23202105.

It is not an unprimeable number, because it can be changed into a prime (23202121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28276 + ... + 29084.

It is an arithmetic number, because the mean of its divisors is an integer number (1093500).

Almost surely, 2^23202120 is an apocalyptic number.

23202120 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 23202120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34992000).

23202120 is an abundant number, since it is smaller than the sum of its proper divisors (46781880).

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

23202120 is a wasteful number, since it uses less digits than its factorization.

23202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 23202120 is about 4816.8578970113. The cubic root of 23202120 is about 285.2173165532.

Adding to 23202120 its reverse (2120232), we get a palindrome (25322352).

The spelling of 23202120 in words is "twenty-three million, two hundred two thousand, one hundred twenty".