20475054 has 12 divisors (see below), whose sum is σ = 44362656. Its totient is φ = 6825012.

The previous prime is 20475047. The next prime is 20475071. The reversal of 20475054 is 45057402.

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 5 ways as a sum of consecutive naturals, for example, 568734 + ... + 568769.

It is an arithmetic number, because the mean of its divisors is an integer number (3696888).

Almost surely, 2^20475054 is an apocalyptic number.

20475054 is an abundant number, since it is smaller than the sum of its proper divisors (23887602).

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

20475054 is a wasteful number, since it uses less digits than its factorization.

20475054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137511 (or 1137508 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 20475054 is about 4524.9369056375. The cubic root of 20475054 is about 273.5741248486.

The spelling of 20475054 in words is "twenty million, four hundred seventy-five thousand, fifty-four".