20827848 has 16 divisors (see below), whose sum is σ = 52069680. Its totient is φ = 6942608.

The previous prime is 20827843. The next prime is 20827853. The reversal of 20827848 is 84872802.

It is an interprime number because it is at equal distance from previous prime (20827843) and next prime (20827853).

It is a super-2 number, since 2×20827848² = 867598504622208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20827843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433890 + ... + 433937.

It is an arithmetic number, because the mean of its divisors is an integer number (3254355).

Almost surely, 2^20827848 is an apocalyptic number.

It is an amenable number.

20827848 is an abundant number, since it is smaller than the sum of its proper divisors (31241832).

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

20827848 is a wasteful number, since it uses less digits than its factorization.

20827848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867836 (or 867832 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 20827848 is about 4563.7537181579. The cubic root of 20827848 is about 275.1364523926.

The spelling of 20827848 in words is "twenty million, eight hundred twenty-seven thousand, eight hundred forty-eight".