20022311766 has 8 divisors (see below), whose sum is σ = 40044623544. Its totient is φ = 6674103920.

The previous prime is 20022311753. The next prime is 20022311791. The reversal of 20022311766 is 66711322002.

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

20022311766 is an admirable number.

It is a Curzon number.

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, 1668525975 + ... + 1668525986.

It is an arithmetic number, because the mean of its divisors is an integer number (5005577943).

Almost surely, 2^20022311766 is an apocalyptic number.

20022311766 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.

20022311766 is a wasteful number, since it uses less digits than its factorization.

20022311766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337051966.

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 20022311766 its reverse (66711322002), we get a palindrome (86733633768).

The spelling of 20022311766 in words is "twenty billion, twenty-two million, three hundred eleven thousand, seven hundred sixty-six".