20446644602404 has 12 divisors (see below), whose sum is σ = 35931341980800. Its totient is φ = 10180546893608.

The previous prime is 20446644602389. The next prime is 20446644602407. The reversal of 20446644602404 is 40420644664402.

It is not an unprimeable number, because it can be changed into a prime (20446644602407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10693850824 + ... + 10693852735.

It is an arithmetic number, because the mean of its divisors is an integer number (2994278498400).

Almost surely, 2^{20446644602404} is an apocalyptic number.

It is an amenable number.

20446644602404 is a deficient number, since it is larger than the sum of its proper divisors (15484697378396).

20446644602404 is a wasteful number, since it uses less digits than its factorization.

20446644602404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21387703802 (or 21387703800 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 46.

The spelling of 20446644602404 in words is "twenty trillion, four hundred forty-six billion, six hundred forty-four million, six hundred two thousand, four hundred four".