16152420 has 48 divisors (see below), whose sum is σ = 46791360. Its totient is φ = 4158336.

The previous prime is 16152403. The next prime is 16152421. The reversal of 16152420 is 2425161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16152421) 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, 2902 + ... + 6381.

It is an arithmetic number, because the mean of its divisors is an integer number (974820).

Almost surely, 2^16152420 is an apocalyptic number.

16152420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16152420 is an abundant number, since it is smaller than the sum of its proper divisors (30638940).

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

16152420 is a wasteful number, since it uses less digits than its factorization.

16152420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324 (or 9322 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 16152420 is about 4019.0073401277. The cubic root of 16152420 is about 252.7818373762.

Adding to 16152420 its reverse (2425161), we get a palindrome (18577581).

The spelling of 16152420 in words is "sixteen million, one hundred fifty-two thousand, four hundred twenty".