20573482 has 4 divisors (see below), whose sum is σ = 30860226. Its totient is φ = 10286740.

The previous prime is 20573471. The next prime is 20573503. The reversal of 20573482 is 28437502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28437502 = 2 ⋅14218751.

It can be written as a sum of positive squares in only one way, i.e., 13169641 + 7403841 = 3629^2 + 2721^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5143369 + ... + 5143372.

Almost surely, 2^20573482 is an apocalyptic number.

20573482 is a deficient number, since it is larger than the sum of its proper divisors (10286744).

20573482 is a wasteful number, since it uses less digits than its factorization.

20573482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10286743.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 20573482 is about 4535.8000396843. The cubic root of 20573482 is about 274.0118008663.

The spelling of 20573482 in words is "twenty million, five hundred seventy-three thousand, four hundred eighty-two".