20152152 has 80 divisors (see below), whose sum is σ = 57107160. Its totient is φ = 6638976.

The previous prime is 20152127. The next prime is 20152159. The reversal of 20152152 is 25125102.

It is a super-2 number, since 2×20152152² = 812218460462208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20152159) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 88663 + ... + 88889.

Almost surely, 2^20152152 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 20152152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28553580).

20152152 is an abundant number, since it is smaller than the sum of its proper divisors (36955008).

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

20152152 is a wasteful number, since it uses less digits than its factorization.

20152152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 20152152 is about 4489.1148347976. The cubic root of 20152152 is about 272.1283635763.

Adding to 20152152 its reverse (25125102), we get a palindrome (45277254).

The spelling of 20152152 in words is "twenty million, one hundred fifty-two thousand, one hundred fifty-two".