20106752 has 40 divisors (see below), whose sum is σ = 40584456. Its totient is φ = 9951232.

The previous prime is 20106743. The next prime is 20106763. The reversal of 20106752 is 25760102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88463 + ... + 88689.

Almost surely, 2^20106752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20106752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20292228).

20106752 is an abundant number, since it is smaller than the sum of its proper divisors (20477704).

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

20106752 is an equidigital number, since it uses as much as digits as its factorization.

20106752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 20106752 is about 4484.0553074198. The cubic root of 20106752 is about 271.9238541176.

Adding to 20106752 its reverse (25760102), we get a palindrome (45866854).

The spelling of 20106752 in words is "twenty million, one hundred six thousand, seven hundred fifty-two".