20222748766 has 8 divisors (see below), whose sum is σ = 33091770744. Its totient is φ = 9192158520.

The previous prime is 20222748761. The next prime is 20222748787. The reversal of 20222748766 is 66784722202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222748761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459607905 + ... + 459607948.

It is an arithmetic number, because the mean of its divisors is an integer number (4136471343).

Almost surely, 2^20222748766 is an apocalyptic number.

20222748766 is a deficient number, since it is larger than the sum of its proper divisors (12869021978).

20222748766 is a wasteful number, since it uses less digits than its factorization.

20222748766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919215866.

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 20222748766 in words is "twenty billion, two hundred twenty-two million, seven hundred forty-eight thousand, seven hundred sixty-six".