20286841650892 has 6 divisors (see below), whose sum is σ = 35501972889068. Its totient is φ = 10143420825444.

The previous prime is 20286841650883. The next prime is 20286841650949. The reversal of 20286841650892 is 29805614868202.

It is a self number, because there is not a number n which added to its sum of digits gives 20286841650892.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535855206358 + ... + 2535855206365.

Almost surely, 2^{20286841650892} is an apocalyptic number.

It is an amenable number.

20286841650892 is a deficient number, since it is larger than the sum of its proper divisors (15215131238176).

20286841650892 is a wasteful number, since it uses less digits than its factorization.

20286841650892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071710412727 (or 5071710412725 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 61.

The spelling of 20286841650892 in words is "twenty trillion, two hundred eighty-six billion, eight hundred forty-one million, six hundred fifty thousand, eight hundred ninety-two".