20475132 has 24 divisors (see below), whose sum is σ = 47922000. Its totient is φ = 6804096.

The previous prime is 20475121. The next prime is 20475149. The reversal of 20475132 is 23157402.

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, 1744 + ... + 6632.

It is an arithmetic number, because the mean of its divisors is an integer number (1996750).

Almost surely, 2^20475132 is an apocalyptic number.

It is an amenable number.

20475132 is an abundant number, since it is smaller than the sum of its proper divisors (27446868).

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

20475132 is a wasteful number, since it uses less digits than its factorization.

20475132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245 (or 5243 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 20475132 is about 4524.9455245340. The cubic root of 20475132 is about 273.5744722429.

The spelling of 20475132 in words is "twenty million, four hundred seventy-five thousand, one hundred thirty-two".