20450162 has 8 divisors (see below), whose sum is σ = 31733100. Its totient is φ = 9872464.

The previous prime is 20450149. The next prime is 20450207. The reversal of 20450162 is 26105402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18757561 + 1692601 = 4331^2 + 1301^2 .

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

It is a super-3 number, since 3×20450162³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176237 + ... + 176352.

Almost surely, 2^20450162 is an apocalyptic number.

20450162 is a deficient number, since it is larger than the sum of its proper divisors (11282938).

20450162 is a wasteful number, since it uses less digits than its factorization.

20450162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352620.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20450162 is about 4522.1855335667. The cubic root of 20450162 is about 273.4632164134.

Adding to 20450162 its reverse (26105402), we get a palindrome (46555564).

The spelling of 20450162 in words is "twenty million, four hundred fifty thousand, one hundred sixty-two".