20386030 has 32 divisors (see below), whose sum is σ = 42194880. Its totient is φ = 6946560.

The previous prime is 20386021. The next prime is 20386033. The reversal of 20386030 is 3068302.

It is a junction number, because it is equal to n+sod(n) for n = 20385992 and 20386010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20386033) 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 15 ways as a sum of consecutive naturals, for example, 11866 + ... + 13474.

It is an arithmetic number, because the mean of its divisors is an integer number (1318590).

Almost surely, 2^20386030 is an apocalyptic number.

20386030 is an abundant number, since it is smaller than the sum of its proper divisors (21808850).

20386030 is a wasteful number, since it uses less digits than its factorization.

20386030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20386030 is about 4515.0891464067. The cubic root of 20386030 is about 273.1770555528.

The spelling of 20386030 in words is "twenty million, three hundred eighty-six thousand, thirty".