20769732246 has 8 divisors (see below), whose sum is σ = 41539464504. Its totient is φ = 6923244080.

The previous prime is 20769732241. The next prime is 20769732283. The reversal of 20769732246 is 64223796702.

It is a sphenic number, since it is the product of 3 distinct primes.

20769732246 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20769732195 and 20769732204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20769732241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1730811015 + ... + 1730811026.

It is an arithmetic number, because the mean of its divisors is an integer number (5192433063).

Almost surely, 2^20769732246 is an apocalyptic number.

20769732246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20769732246 is a wasteful number, since it uses less digits than its factorization.

20769732246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461622046.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 20769732246 in words is "twenty billion, seven hundred sixty-nine million, seven hundred thirty-two thousand, two hundred forty-six".