20775848 has 32 divisors (see below), whose sum is σ = 40377960. Its totient is φ = 10014720.

The previous prime is 20775809. The next prime is 20775851. The reversal of 20775848 is 84857702.

It can be written as a sum of positive squares in 4 ways, for example, as 9229444 + 11546404 = 3038^2 + 3398^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 31490 + ... + 32142.

Almost surely, 2^20775848 is an apocalyptic number.

It is an amenable number.

20775848 is a deficient number, since it is larger than the sum of its proper divisors (19602112).

20775848 is a wasteful number, since it uses less digits than its factorization.

20775848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 20775848 is about 4558.0530931528. The cubic root of 20775848 is about 274.9072877552.

The spelling of 20775848 in words is "twenty million, seven hundred seventy-five thousand, eight hundred forty-eight".