20054151 has 12 divisors (see below), whose sum is σ = 31195528. Its totient is φ = 12340944.

The previous prime is 20054149. The next prime is 20054191. The reversal of 20054151 is 15145002.

It is not a de Polignac number, because 20054151 - 2¹ = 20054149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85585 + ... + 85818.

Almost surely, 2^20054151 is an apocalyptic number.

20054151 is a deficient number, since it is larger than the sum of its proper divisors (11141377).

20054151 is a wasteful number, since it uses less digits than its factorization.

20054151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171422 (or 171419 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 20054151 is about 4478.1861283337. The cubic root of 20054151 is about 271.6865216062.

Adding to 20054151 its reverse (15145002), we get a palindrome (35199153).

The spelling of 20054151 in words is "twenty million, fifty-four thousand, one hundred fifty-one".