20343032012 has 12 divisors (see below), whose sum is σ = 36562476720. Its totient is φ = 9896610096.

The previous prime is 20343031979. The next prime is 20343032053. The reversal of 20343032012 is 21023034302.

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, 68726312 + ... + 68726607.

It is an arithmetic number, because the mean of its divisors is an integer number (3046873060).

Almost surely, 2^20343032012 is an apocalyptic number.

It is an amenable number.

20343032012 is a deficient number, since it is larger than the sum of its proper divisors (16219444708).

20343032012 is a wasteful number, since it uses less digits than its factorization.

20343032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137452960 (or 137452958 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20343032012 its reverse (21023034302), we get a palindrome (41366066314).

The spelling of 20343032012 in words is "twenty billion, three hundred forty-three million, thirty-two thousand, twelve".