20003284686 has 32 divisors (see below), whose sum is σ = 49878321408. Its totient is φ = 5195658240.

The previous prime is 20003284643. The next prime is 20003284687. The reversal of 20003284686 is 68648230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003284687) 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, 21648115 + ... + 21649038.

It is an arithmetic number, because the mean of its divisors is an integer number (1558697544).

Almost surely, 2^20003284686 is an apocalyptic number.

20003284686 is an abundant number, since it is smaller than the sum of its proper divisors (29875036722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003284686 is a wasteful number, since it uses less digits than its factorization.

20003284686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43297176.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 20003284686 in words is "twenty billion, three million, two hundred eighty-four thousand, six hundred eighty-six".