20205048 has 32 divisors (see below), whose sum is σ = 50693760. Its totient is φ = 6710880.

The previous prime is 20205041. The next prime is 20205077. The reversal of 20205048 is 84050202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20205041) 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, 6111 + ... + 8817.

It is an arithmetic number, because the mean of its divisors is an integer number (1584180).

Almost surely, 2^20205048 is an apocalyptic number.

It is an amenable number.

20205048 is an abundant number, since it is smaller than the sum of its proper divisors (30488712).

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

20205048 is a wasteful number, since it uses less digits than its factorization.

20205048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027 (or 3023 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 20205048 is about 4495.0025583975. The cubic root of 20205048 is about 272.3662525765.

The spelling of 20205048 in words is "twenty million, two hundred five thousand, forty-eight".