20483644 has 12 divisors (see below), whose sum is σ = 36815464. Its totient is φ = 9964944.

The previous prime is 20483627. The next prime is 20483677. The reversal of 20483644 is 44638402.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 69054 + ... + 69349.

Almost surely, 2^20483644 is an apocalyptic number.

It is an amenable number.

20483644 is a deficient number, since it is larger than the sum of its proper divisors (16331820).

20483644 is a wasteful number, since it uses less digits than its factorization.

20483644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138444 (or 138442 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 20483644 is about 4525.8859906100. The cubic root of 20483644 is about 273.6123774652.

The spelling of 20483644 in words is "twenty million, four hundred eighty-three thousand, six hundred forty-four".