20240284 has 6 divisors (see below), whose sum is σ = 35420504. Its totient is φ = 10120140.

The previous prime is 20240281. The next prime is 20240287. The reversal of 20240284 is 48204202.

It is an interprime number because it is at equal distance from previous prime (20240281) and next prime (20240287).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530032 + ... + 2530039.

Almost surely, 2^20240284 is an apocalyptic number.

It is an amenable number.

20240284 is a deficient number, since it is larger than the sum of its proper divisors (15180220).

20240284 is a wasteful number, since it uses less digits than its factorization.

20240284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060075 (or 5060073 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 20240284 is about 4498.9203149200. The cubic root of 20240284 is about 272.5244890036.

Adding to 20240284 its reverse (48204202), we get a palindrome (68444486).

The spelling of 20240284 in words is "twenty million, two hundred forty thousand, two hundred eighty-four".