20419252 has 24 divisors (see below), whose sum is σ = 41005440. Its totient is φ = 8715360.

The previous prime is 20419241. The next prime is 20419253. The reversal of 20419252 is 25291402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20419253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6177 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (1708560).

Almost surely, 2^20419252 is an apocalyptic number.

It is an amenable number.

20419252 is an abundant number, since it is smaller than the sum of its proper divisors (20586188).

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

20419252 is a wasteful number, since it uses less digits than its factorization.

20419252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991 (or 2989 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 20419252 is about 4518.7666458891. The cubic root of 20419252 is about 273.3253689265.

The spelling of 20419252 in words is "twenty million, four hundred nineteen thousand, two hundred fifty-two".