20287837112 has 16 divisors (see below), whose sum is σ = 38051596800. Its totient is φ = 10140744640.

The previous prime is 20287837109. The next prime is 20287837127. The reversal of 20287837112 is 21173878202.

It is a self number, because there is not a number n which added to its sum of digits gives 20287837112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369464 + ... + 420807.

It is an arithmetic number, because the mean of its divisors is an integer number (2378224800).

Almost surely, 2^20287837112 is an apocalyptic number.

It is an amenable number.

20287837112 is a deficient number, since it is larger than the sum of its proper divisors (17763759688).

20287837112 is a wasteful number, since it uses less digits than its factorization.

20287837112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793486 (or 793482 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 20287837112 in words is "twenty billion, two hundred eighty-seven million, eight hundred thirty-seven thousand, one hundred twelve".