20446046846 has 16 divisors (see below), whose sum is σ = 32636325600. Its totient is φ = 9573315840.

The previous prime is 20446046843. The next prime is 20446046867. The reversal of 20446046846 is 64864064402.

It is a junction number, because it is equal to n+sod(n) for n = 20446046797 and 20446046806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20446046843) 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, 1504175 + ... + 1517706.

It is an arithmetic number, because the mean of its divisors is an integer number (2039770350).

Almost surely, 2^20446046846 is an apocalyptic number.

20446046846 is a deficient number, since it is larger than the sum of its proper divisors (12190278754).

20446046846 is a wasteful number, since it uses less digits than its factorization.

20446046846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022099.

The product of its (nonzero) digits is 884736, while the sum is 44.

The spelling of 20446046846 in words is "twenty billion, four hundred forty-six million, forty-six thousand, eight hundred forty-six".