20050836 has 36 divisors (see below), whose sum is σ = 50666112. Its totient is φ = 6168864.

The previous prime is 20050829. The next prime is 20050843. The reversal of 20050836 is 63805002.

It is an interprime number because it is at equal distance from previous prime (20050829) and next prime (20050843).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2916 + ... + 6971.

It is an arithmetic number, because the mean of its divisors is an integer number (1407392).

Almost surely, 2^20050836 is an apocalyptic number.

20050836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20050836 is an abundant number, since it is smaller than the sum of its proper divisors (30615276).

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

20050836 is a wasteful number, since it uses less digits than its factorization.

20050836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9920 (or 9905 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20050836 is about 4477.8159855001. The cubic root of 20050836 is about 271.6715506334.

Adding to 20050836 its reverse (63805002), we get a palindrome (83855838).

The spelling of 20050836 in words is "twenty million, fifty thousand, eight hundred thirty-six".