20080746 has 96 divisors (see below), whose sum is σ = 52835328. Its totient is φ = 5391360.

The previous prime is 20080741. The next prime is 20080763. The reversal of 20080746 is 64708002.

It is not an unprimeable number, because it can be changed into a prime (20080741) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 206970 + ... + 207066.

It is an arithmetic number, because the mean of its divisors is an integer number (550368).

Almost surely, 2^20080746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20080746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26417664).

20080746 is an abundant number, since it is smaller than the sum of its proper divisors (32754582).

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

20080746 is a wasteful number, since it uses less digits than its factorization.

20080746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 20080746 is about 4481.1545387322. The cubic root of 20080746 is about 271.8065684291.

Adding to 20080746 its reverse (64708002), we get a palindrome (84788748).

The spelling of 20080746 in words is "twenty million, eighty thousand, seven hundred forty-six".