20499068 has 12 divisors (see below), whose sum is σ = 35915880. Its totient is φ = 10237392.

The previous prime is 20499067. The next prime is 20499071. The reversal of 20499068 is 86099402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20499067) 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 3 ways as a sum of consecutive naturals, for example, 1523 + ... + 6581.

It is an arithmetic number, because the mean of its divisors is an integer number (2992990).

Almost surely, 2^20499068 is an apocalyptic number.

It is an amenable number.

20499068 is a deficient number, since it is larger than the sum of its proper divisors (15416812).

20499068 is a wasteful number, since it uses less digits than its factorization.

20499068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076 (or 6074 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 20499068 is about 4527.5896457166. The cubic root of 20499068 is about 273.6810361227.

The spelling of 20499068 in words is "twenty million, four hundred ninety-nine thousand, sixty-eight".