20053055 has 8 divisors (see below), whose sum is σ = 26251344. Its totient is φ = 14584000.

The previous prime is 20053043. The next prime is 20053091. The reversal of 20053055 is 55035002.

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

It is a de Polignac number, because none of the positive numbers 2^k-20053055 is a prime.

It is a Duffinian number.

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, 182246 + ... + 182355.

It is an arithmetic number, because the mean of its divisors is an integer number (3281418).

Almost surely, 2^20053055 is an apocalyptic number.

20053055 is a deficient number, since it is larger than the sum of its proper divisors (6198289).

20053055 is a wasteful number, since it uses less digits than its factorization.

20053055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364617.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 20053055 is about 4478.0637556873. The cubic root of 20053055 is about 271.6815721097.

Adding to 20053055 its reverse (55035002), we get a palindrome (75088057).

The spelling of 20053055 in words is "twenty million, fifty-three thousand, fifty-five".