20523068 has 12 divisors (see below), whose sum is σ = 37154040. Its totient is φ = 9907632.

The previous prime is 20523053. The next prime is 20523077. The reversal of 20523068 is 86032502.

It is a congruent number.

It is an unprimeable number.

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, 88346 + ... + 88577.

It is an arithmetic number, because the mean of its divisors is an integer number (3096170).

Almost surely, 2^20523068 is an apocalyptic number.

It is an amenable number.

20523068 is a deficient number, since it is larger than the sum of its proper divisors (16630972).

20523068 is a wasteful number, since it uses less digits than its factorization.

20523068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176956 (or 176954 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20523068 is about 4530.2392872783. The cubic root of 20523068 is about 273.7878016785.

The spelling of 20523068 in words is "twenty million, five hundred twenty-three thousand, sixty-eight".