20386124 has 12 divisors (see below), whose sum is σ = 38919048. Its totient is φ = 9266400.

The previous prime is 20386123. The next prime is 20386133. The reversal of 20386124 is 42168302.

20386124 = T₁₀₉₅ + T₁₀₉₆ + ... + T₁₁₂₇.

It is a junction number, because it is equal to n+sod(n) for n = 20386093 and 20386102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20386123) 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, 231617 + ... + 231704.

It is an arithmetic number, because the mean of its divisors is an integer number (3243254).

Almost surely, 2^20386124 is an apocalyptic number.

It is an amenable number.

20386124 is a deficient number, since it is larger than the sum of its proper divisors (18532924).

20386124 is a wasteful number, since it uses less digits than its factorization.

20386124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463336 (or 463334 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 20386124 is about 4515.0995559345. The cubic root of 20386124 is about 273.1774754254.

The spelling of 20386124 in words is "twenty million, three hundred eighty-six thousand, one hundred twenty-four".