20311064006 has 16 divisors (see below), whose sum is σ = 31121565120. Its totient is φ = 9937302720.

The previous prime is 20311063999. The next prime is 20311064009. The reversal of 20311064006 is 60046011302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311064009) 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, 466946 + ... + 508586.

It is an arithmetic number, because the mean of its divisors is an integer number (1945097820).

Almost surely, 2^20311064006 is an apocalyptic number.

20311064006 is a deficient number, since it is larger than the sum of its proper divisors (10810501114).

20311064006 is a wasteful number, since it uses less digits than its factorization.

20311064006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46879.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20311064006 its reverse (60046011302), we get a palindrome (80357075308).

The spelling of 20311064006 in words is "twenty billion, three hundred eleven million, sixty-four thousand, six".