20492828 has 12 divisors (see below), whose sum is σ = 36450792. Its totient is φ = 10078320.

The previous prime is 20492827. The next prime is 20492831. The reversal of 20492828 is 82829402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20492827) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41750 + ... + 42237.

It is an arithmetic number, because the mean of its divisors is an integer number (3037566).

Almost surely, 2^20492828 is an apocalyptic number.

It is an amenable number.

20492828 is a deficient number, since it is larger than the sum of its proper divisors (15957964).

20492828 is a wasteful number, since it uses less digits than its factorization.

20492828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84052 (or 84050 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 20492828 is about 4526.9004848793. The cubic root of 20492828 is about 273.6532634295.

The spelling of 20492828 in words is "twenty million, four hundred ninety-two thousand, eight hundred twenty-eight".