20011285254 has 8 divisors (see below), whose sum is σ = 40022570520. Its totient is φ = 6670428416.

The previous prime is 20011285249. The next prime is 20011285267. The reversal of 20011285254 is 45258211002.

It is a sphenic number, since it is the product of 3 distinct primes.

20011285254 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667607099 + ... + 1667607110.

It is an arithmetic number, because the mean of its divisors is an integer number (5002821315).

Almost surely, 2^20011285254 is an apocalyptic number.

20011285254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20011285254 is a wasteful number, since it uses less digits than its factorization.

20011285254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335214214.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 20011285254 its reverse (45258211002), we get a palindrome (65269496256).

The spelling of 20011285254 in words is "twenty billion, eleven million, two hundred eighty-five thousand, two hundred fifty-four".