20270244 has 24 divisors (see below), whose sum is σ = 47389888. Its totient is φ = 6743520.

The previous prime is 20270203. The next prime is 20270251. The reversal of 20270244 is 44207202.

It is a super-3 number, since 3×20270244³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20270244.

It is an unprimeable number.

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, 6234 + ... + 8910.

Almost surely, 2^20270244 is an apocalyptic number.

It is an amenable number.

20270244 is an abundant number, since it is smaller than the sum of its proper divisors (27119644).

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

20270244 is a wasteful number, since it uses less digits than its factorization.

20270244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315 (or 3313 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 20270244 is about 4502.2487714474. The cubic root of 20270244 is about 272.6588877836.

Adding to 20270244 its reverse (44207202), we get a palindrome (64477446).

The spelling of 20270244 in words is "twenty million, two hundred seventy thousand, two hundred forty-four".