20443422516630 has 64 divisors (see below), whose sum is σ = 49499685482688. Its totient is φ = 5403196108800.

The previous prime is 20443422516607. The next prime is 20443422516659. The reversal of 20443422516630 is 3661522434402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261048480 + ... + 261126780.

It is an arithmetic number, because the mean of its divisors is an integer number (773432585667).

Almost surely, 2^{20443422516630} is an apocalyptic number.

20443422516630 is an abundant number, since it is smaller than the sum of its proper divisors (29056262966058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20443422516630 is a wasteful number, since it uses less digits than its factorization.

20443422516630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155441.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 20443422516630 in words is "twenty trillion, four hundred forty-three billion, four hundred twenty-two million, five hundred sixteen thousand, six hundred thirty".