20245082 has 32 divisors (see below), whose sum is σ = 36215424. Its totient is φ = 8366400.

The previous prime is 20245081. The next prime is 20245123. The reversal of 20245082 is 28054202.

It is not an unprimeable number, because it can be changed into a prime (20245081) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19808 + ... + 20804.

It is an arithmetic number, because the mean of its divisors is an integer number (1131732).

Almost surely, 2^20245082 is an apocalyptic number.

20245082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20245082 is a deficient number, since it is larger than the sum of its proper divisors (15970342).

20245082 is a wasteful number, since it uses less digits than its factorization.

20245082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094.

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

The square root of 20245082 is about 4499.4535223736. The cubic root of 20245082 is about 272.5460214615.

Adding to 20245082 its reverse (28054202), we get a palindrome (48299284).

The spelling of 20245082 in words is "twenty million, two hundred forty-five thousand, eighty-two".