23330420 has 24 divisors (see below), whose sum is σ = 49329000. Its totient is φ = 9268352.

The previous prime is 23330407. The next prime is 23330449. The reversal of 23330420 is 2403332.

It can be written as a sum of positive squares in 4 ways, for example, as 252004 + 23078416 = 502^2 + 4804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935 + ... + 6894.

It is an arithmetic number, because the mean of its divisors is an integer number (2055375).

Almost surely, 2^23330420 is an apocalyptic number.

23330420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23330420 is an abundant number, since it is smaller than the sum of its proper divisors (25998580).

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

23330420 is a wasteful number, since it uses less digits than its factorization.

23330420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7987 (or 7985 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 23330420 is about 4830.1573473335. The cubic root of 23330420 is about 285.7420694410.

Adding to 23330420 its reverse (2403332), we get a palindrome (25733752).

The spelling of 23330420 in words is "twenty-three million, three hundred thirty thousand, four hundred twenty".