20425082 has 4 divisors (see below), whose sum is σ = 30637626. Its totient is φ = 10212540.

The previous prime is 20425049. The next prime is 20425091. The reversal of 20425082 is 28052402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20421361 + 3721 = 4519^2 + 61^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106269 + ... + 5106272.

Almost surely, 2^20425082 is an apocalyptic number.

20425082 is a deficient number, since it is larger than the sum of its proper divisors (10212544).

20425082 is a wasteful number, since it uses less digits than its factorization.

20425082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212543.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 20425082 is about 4519.4116873770. The cubic root of 20425082 is about 273.3513792699.

Adding to 20425082 its reverse (28052402), we get a palindrome (48477484).

The spelling of 20425082 in words is "twenty million, four hundred twenty-five thousand, eighty-two".