20007282 has 16 divisors (see below), whose sum is σ = 40068000. Its totient is φ = 6660192.

The previous prime is 20007259. The next prime is 20007287. The reversal of 20007282 is 28270002.

It is not an unprimeable number, because it can be changed into a prime (20007287) 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 7 ways as a sum of consecutive naturals, for example, 3969 + ... + 7467.

It is an arithmetic number, because the mean of its divisors is an integer number (2504250).

Almost surely, 2^20007282 is an apocalyptic number.

20007282 is an abundant number, since it is smaller than the sum of its proper divisors (20060718).

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

20007282 is a wasteful number, since it uses less digits than its factorization.

20007282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 20007282 is about 4472.9500332555. The cubic root of 20007282 is about 271.4747016438.

Adding to 20007282 its reverse (28270002), we get a palindrome (48277284).

The spelling of 20007282 in words is "twenty million, seven thousand, two hundred eighty-two".