20483992 has 8 divisors (see below), whose sum is σ = 38407500. Its totient is φ = 10241992.

The previous prime is 20483987. The next prime is 20483993. The reversal of 20483992 is 29938402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20483993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280242 + ... + 1280257.

Almost surely, 2^20483992 is an apocalyptic number.

It is an amenable number.

20483992 is a deficient number, since it is larger than the sum of its proper divisors (17923508).

20483992 is a wasteful number, since it uses less digits than its factorization.

20483992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560505 (or 2560501 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 20483992 is about 4525.9244359578. The cubic root of 20483992 is about 273.6139269383.

The spelling of 20483992 in words is "twenty million, four hundred eighty-three thousand, nine hundred ninety-two".