20271048 has 32 divisors (see below), whose sum is σ = 57917760. Its totient is φ = 5791680.

The previous prime is 20271047. The next prime is 20271049. The reversal of 20271048 is 84017202.

It is an interprime number because it is at equal distance from previous prime (20271047) and next prime (20271049).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20271047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60163 + ... + 60498.

It is an arithmetic number, because the mean of its divisors is an integer number (1809930).

Almost surely, 2^20271048 is an apocalyptic number.

20271048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20271048 is an abundant number, since it is smaller than the sum of its proper divisors (37646712).

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

20271048 is a wasteful number, since it uses less digits than its factorization.

20271048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120677 (or 120673 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 20271048 is about 4502.3380592754. The cubic root of 20271048 is about 272.6624926546.

The spelling of 20271048 in words is "twenty million, two hundred seventy-one thousand, forty-eight".