20046444650 has 96 divisors (see below), whose sum is σ = 39684567168. Its totient is φ = 7518368000.

The previous prime is 20046444647. The next prime is 20046444707. The reversal of 20046444650 is 5644464002.

It is a self number, because there is not a number n which added to its sum of digits gives 20046444650.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12427244 + ... + 12428856.

It is an arithmetic number, because the mean of its divisors is an integer number (413380908).

Almost surely, 2^20046444650 is an apocalyptic number.

20046444650 is a deficient number, since it is larger than the sum of its proper divisors (19638122518).

20046444650 is a wasteful number, since it uses less digits than its factorization.

20046444650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 20046444650 in words is "twenty billion, forty-six million, four hundred forty-four thousand, six hundred fifty".