20020254 has 16 divisors (see below), whose sum is σ = 42396048. Its totient is φ = 6280832.

The previous prime is 20020223. The next prime is 20020267. The reversal of 20020254 is 45202002.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 98037 + ... + 98240.

It is an arithmetic number, because the mean of its divisors is an integer number (2649753).

Almost surely, 2^20020254 is an apocalyptic number.

20020254 is an abundant number, since it is smaller than the sum of its proper divisors (22375794).

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

20020254 is a wasteful number, since it uses less digits than its factorization.

20020254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196299.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 20020254 is about 4474.3998480243. The cubic root of 20020254 is about 271.5333604364.

Adding to 20020254 its reverse (45202002), we get a palindrome (65222256).

The spelling of 20020254 in words is "twenty million, twenty thousand, two hundred fifty-four".