20353482 has 48 divisors (see below), whose sum is σ = 46433088. Its totient is φ = 6431040.

The previous prime is 20353429. The next prime is 20353483. The reversal of 20353482 is 28435302.

It is not an unprimeable number, because it can be changed into a prime (20353483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87238 + ... + 87470.

It is an arithmetic number, because the mean of its divisors is an integer number (967356).

Almost surely, 2^20353482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20353482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23216544).

20353482 is an abundant number, since it is smaller than the sum of its proper divisors (26079606).

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

20353482 is a wasteful number, since it uses less digits than its factorization.

20353482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 20353482 is about 4511.4833480797. The cubic root of 20353482 is about 273.0315947815.

Adding to 20353482 its reverse (28435302), we get a palindrome (48788784).

The spelling of 20353482 in words is "twenty million, three hundred fifty-three thousand, four hundred eighty-two".