23802420 has 96 divisors (see below), whose sum is σ = 70189056. Its totient is φ = 6019200.

The previous prime is 23802413. The next prime is 23802479. The reversal of 23802420 is 2420832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124525 + ... + 124715.

It is an arithmetic number, because the mean of its divisors is an integer number (731136).

Almost surely, 2^23802420 is an apocalyptic number.

23802420 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 23802420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35094528).

23802420 is an abundant number, since it is smaller than the sum of its proper divisors (46386636).

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

23802420 is a wasteful number, since it uses less digits than its factorization.

23802420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 23802420 is about 4878.7723865743. The cubic root of 23802420 is about 287.6561772750.

The spelling of 23802420 in words is "twenty-three million, eight hundred two thousand, four hundred twenty".