20483456 has 32 divisors (see below), whose sum is σ = 46638480. Its totient is φ = 8778240.

The previous prime is 20483423. The next prime is 20483461. The reversal of 20483456 is 65438402.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10535 + ... + 12326.

Almost surely, 2^20483456 is an apocalyptic number.

It is an amenable number.

20483456 is an abundant number, since it is smaller than the sum of its proper divisors (26155024).

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

20483456 is an equidigital number, since it uses as much as digits as its factorization.

20483456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22882 (or 22870 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 20483456 is about 4525.8652211483. The cubic root of 20483456 is about 273.6115403862.

It can be divided in two parts, 2048 and 3456, that multiplied together give a cube (7077888 = 192³).

The spelling of 20483456 in words is "twenty million, four hundred eighty-three thousand, four hundred fifty-six".