20331646046 has 16 divisors (see below), whose sum is σ = 32885591760. Its totient is φ = 9395881920.

The previous prime is 20331646037. The next prime is 20331646051. The reversal of 20331646046 is 64064613302.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20331645997 and 20331646015.

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, 6523361 + ... + 6526476.

It is an arithmetic number, because the mean of its divisors is an integer number (2055349485).

Almost surely, 2^20331646046 is an apocalyptic number.

20331646046 is a deficient number, since it is larger than the sum of its proper divisors (12553945714).

20331646046 is a wasteful number, since it uses less digits than its factorization.

20331646046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13049899.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 20331646046 in words is "twenty billion, three hundred thirty-one million, six hundred forty-six thousand, forty-six".