20050492 has 24 divisors (see below), whose sum is σ = 43747200. Its totient is φ = 7811760.

The previous prime is 20050469. The next prime is 20050493. The reversal of 20050492 is 29405002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050493) 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 7 ways as a sum of consecutive naturals, for example, 32242 + ... + 32857.

It is an arithmetic number, because the mean of its divisors is an integer number (1822800).

Almost surely, 2^20050492 is an apocalyptic number.

20050492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20050492 is an abundant number, since it is smaller than the sum of its proper divisors (23696708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20050492 is a wasteful number, since it uses less digits than its factorization.

20050492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65121 (or 65119 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 20050492 is about 4477.7775737524. Note that the first 3 decimals coincide. The cubic root of 20050492 is about 271.6699969900.

Adding to 20050492 its reverse (29405002), we get a palindrome (49455494).

The spelling of 20050492 in words is "twenty million, fifty thousand, four hundred ninety-two".