20201092 has 6 divisors (see below), whose sum is σ = 35351918. Its totient is φ = 10100544.

The previous prime is 20201089. The next prime is 20201101. The reversal of 20201092 is 29010202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17589636 + 2611456 = 4194^2 + 1616^2 .

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 as a sum of consecutive naturals, namely, 2525133 + ... + 2525140.

Almost surely, 2^20201092 is an apocalyptic number.

It is an amenable number.

20201092 is a deficient number, since it is larger than the sum of its proper divisors (15150826).

20201092 is a wasteful number, since it uses less digits than its factorization.

20201092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050277 (or 5050275 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 20201092 is about 4494.5624926126. The cubic root of 20201092 is about 272.3484756456.

Adding to 20201092 its reverse (29010202), we get a palindrome (49211294).

The spelling of 20201092 in words is "twenty million, two hundred one thousand, ninety-two".