20380692586 has 16 divisors (see below), whose sum is σ = 30813742080. Its totient is φ = 10109492640.

The previous prime is 20380692581. The next prime is 20380692593. The reversal of 20380692586 is 68529608302.

It is not an unprimeable number, because it can be changed into a prime (20380692581) 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 7 ways as a sum of consecutive naturals, for example, 1029550 + ... + 1049158.

It is an arithmetic number, because the mean of its divisors is an integer number (1925858880).

Almost surely, 2^20380692586 is an apocalyptic number.

20380692586 is a deficient number, since it is larger than the sum of its proper divisors (10433049494).

20380692586 is a wasteful number, since it uses less digits than its factorization.

20380692586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23709.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 20380692586 in words is "twenty billion, three hundred eighty million, six hundred ninety-two thousand, five hundred eighty-six".