20054136 has 32 divisors (see below), whose sum is σ = 50274000. Its totient is φ = 6666240.

The previous prime is 20054123. The next prime is 20054141. The reversal of 20054136 is 63145002.

It is a happy 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, 9846 + ... + 11706.

Almost surely, 2^20054136 is an apocalyptic number.

It is an amenable number.

20054136 is an abundant number, since it is smaller than the sum of its proper divisors (30219864).

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

20054136 is a wasteful number, since it uses less digits than its factorization.

20054136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20054136 is about 4478.1844535481. The cubic root of 20054136 is about 271.6864538680.

Adding to 20054136 its reverse (63145002), we get a palindrome (83199138).

The spelling of 20054136 in words is "twenty million, fifty-four thousand, one hundred thirty-six".