20054002 has 8 divisors (see below), whose sum is σ = 30814812. Its totient is φ = 9782400.

The previous prime is 20053991. The next prime is 20054003. The reversal of 20054002 is 20045002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19704721 + 349281 = 4439^2 + 591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20054003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122199 + ... + 122362.

Almost surely, 2^20054002 is an apocalyptic number.

20054002 is a deficient number, since it is larger than the sum of its proper divisors (10760810).

20054002 is a wasteful number, since it uses less digits than its factorization.

20054002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244604.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 20054002 is about 4478.1694921028. The cubic root of 20054002 is about 271.6858487382.

Adding to 20054002 its reverse (20045002), we get a palindrome (40099004).

The spelling of 20054002 in words is "twenty million, fifty-four thousand, two".