20533482 has 12 divisors (see below), whose sum is σ = 44489250. Its totient is φ = 6844488.

The previous prime is 20533481. The next prime is 20533511. The reversal of 20533482 is 28433502.

It can be written as a sum of positive squares in only one way, i.e., 14584761 + 5948721 = 3819^2 + 2439^2 .

It is not an unprimeable number, because it can be changed into a prime (20533481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 570357 + ... + 570392.

Almost surely, 2^20533482 is an apocalyptic number.

20533482 is an abundant number, since it is smaller than the sum of its proper divisors (23955768).

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

20533482 is a wasteful number, since it uses less digits than its factorization.

20533482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140757 (or 1140754 counting only the distinct ones).

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

The square root of 20533482 is about 4531.3885289169. The cubic root of 20533482 is about 273.8341031385.

Adding to 20533482 its reverse (28433502), we get a palindrome (48966984).

The spelling of 20533482 in words is "twenty million, five hundred thirty-three thousand, four hundred eighty-two".