20140152 has 64 divisors (see below), whose sum is σ = 54864000. Its totient is φ = 6136704.

The previous prime is 20140151. The next prime is 20140163. The reversal of 20140152 is 25104102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140151) 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 15 ways as a sum of consecutive naturals, for example, 12463 + ... + 13985.

It is an arithmetic number, because the mean of its divisors is an integer number (857250).

Almost surely, 2^20140152 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 20140152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27432000).

20140152 is an abundant number, since it is smaller than the sum of its proper divisors (34723848).

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

20140152 is a wasteful number, since it uses less digits than its factorization.

20140152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 20140152 is about 4487.7780693791. The cubic root of 20140152 is about 272.0743381012.

Adding to 20140152 its reverse (25104102), we get a palindrome (45244254).

The spelling of 20140152 in words is "twenty million, one hundred forty thousand, one hundred fifty-two".