20323841812 has 24 divisors (see below), whose sum is σ = 36832362336. Its totient is φ = 9806004768.

The previous prime is 20323841801. The next prime is 20323841821. The reversal of 20323841812 is 21814832302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697543 + ... + 726094.

It is an arithmetic number, because the mean of its divisors is an integer number (1534681764).

Almost surely, 2^20323841812 is an apocalyptic number.

It is an amenable number.

20323841812 is a deficient number, since it is larger than the sum of its proper divisors (16508520524).

20323841812 is a wasteful number, since it uses less digits than its factorization.

20323841812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423767 (or 1423765 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 20323841812 in words is "twenty billion, three hundred twenty-three million, eight hundred forty-one thousand, eight hundred twelve".