20235152 has 80 divisors (see below), whose sum is σ = 48627840. Its totient is φ = 7962624.

The previous prime is 20235143. The next prime is 20235161. The reversal of 20235152 is 25153202.

It is an interprime number because it is at equal distance from previous prime (20235143) and next prime (20235161).

It is a super-2 number, since 2×20235152² = 818922752926208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78608 + ... + 78864.

It is an arithmetic number, because the mean of its divisors is an integer number (607848).

Almost surely, 2^20235152 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 20235152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24313920).

20235152 is an abundant number, since it is smaller than the sum of its proper divisors (28392688).

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

20235152 is a wasteful number, since it uses less digits than its factorization.

20235152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20235152 is about 4498.3499196928. The cubic root of 20235152 is about 272.5014538542.

Adding to 20235152 its reverse (25153202), we get a palindrome (45388354).

The spelling of 20235152 in words is "twenty million, two hundred thirty-five thousand, one hundred fifty-two".