20110323966 has 16 divisors (see below), whose sum is σ = 40312272000. Its totient is φ = 6688170648.

The previous prime is 20110323949. The next prime is 20110323967. The reversal of 20110323966 is 66932301102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110323967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3814816 + ... + 3820083.

It is an arithmetic number, because the mean of its divisors is an integer number (2519517000).

Almost surely, 2^20110323966 is an apocalyptic number.

20110323966 is an abundant number, since it is smaller than the sum of its proper divisors (20201948034).

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

20110323966 is a wasteful number, since it uses less digits than its factorization.

20110323966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7635343.

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 20110323966 in words is "twenty billion, one hundred ten million, three hundred twenty-three thousand, nine hundred sixty-six".