20274448 has 20 divisors (see below), whose sum is σ = 39927628. Its totient is φ = 9970560.

The previous prime is 20274439. The next prime is 20274469. The reversal of 20274448 is 84447202.

It can be written as a sum of positive squares in 2 ways, for example, as 9437184 + 10837264 = 3072^2 + 3292^2 .

It is a super-2 number, since 2×20274448² = 822106483409408, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 9411 + ... + 11362.

Almost surely, 2^20274448 is an apocalyptic number.

It is an amenable number.

20274448 is a deficient number, since it is larger than the sum of its proper divisors (19653180).

20274448 is a wasteful number, since it uses less digits than its factorization.

20274448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20842 (or 20836 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 20274448 is about 4502.7156250423. The cubic root of 20274448 is about 272.6777360804.

The spelling of 20274448 in words is "twenty million, two hundred seventy-four thousand, four hundred forty-eight".