20286678350 has 24 divisors (see below), whose sum is σ = 37841995368. Its totient is φ = 8091279200.

The previous prime is 20286678341. The next prime is 20286678359. The reversal of 20286678350 is 5387668202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20286678341) and next prime (20286678359).

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20286678295 and 20286678304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20286678359) 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 11 ways as a sum of consecutive naturals, for example, 567281 + ... + 601980.

It is an arithmetic number, because the mean of its divisors is an integer number (1576749807).

Almost surely, 2^20286678350 is an apocalyptic number.

20286678350 is a deficient number, since it is larger than the sum of its proper divisors (17555317018).

20286678350 is a wasteful number, since it uses less digits than its factorization.

20286678350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169620 (or 1169615 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 20286678350 in words is "twenty billion, two hundred eighty-six million, six hundred seventy-eight thousand, three hundred fifty".