20285686030 has 96 divisors (see below), whose sum is σ = 38703487104. Its totient is φ = 7651584000.

The previous prime is 20285686019. The next prime is 20285686049. The reversal of 20285686030 is 3068658202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74854795 + ... + 74855065.

It is an arithmetic number, because the mean of its divisors is an integer number (403161324).

Almost surely, 2^20285686030 is an apocalyptic number.

20285686030 is a deficient number, since it is larger than the sum of its proper divisors (18417801074).

20285686030 is a wasteful number, since it uses less digits than its factorization.

20285686030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 20285686030 in words is "twenty billion, two hundred eighty-five million, six hundred eighty-six thousand, thirty".