20186383630 has 32 divisors (see below), whose sum is σ = 41583499776. Its totient is φ = 6911508384.

The previous prime is 20186383537. The next prime is 20186383631. The reversal of 20186383630 is 3638368102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20186383631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147444 + ... + 249223.

It is an arithmetic number, because the mean of its divisors is an integer number (1299484368).

Almost surely, 2^20186383630 is an apocalyptic number.

20186383630 is an abundant number, since it is smaller than the sum of its proper divisors (21397116146).

20186383630 is a wasteful number, since it uses less digits than its factorization.

20186383630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397408.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 20186383630 in words is "twenty billion, one hundred eighty-six million, three hundred eighty-three thousand, six hundred thirty".