20030444574906 has 16 divisors (see below), whose sum is σ = 40065634115424. Its totient is φ = 6676024030704.

The previous prime is 20030444574883. The next prime is 20030444574923. The reversal of 20030444574906 is 60947544403002.

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, 197652021 + ... + 197753336.

It is an arithmetic number, because the mean of its divisors is an integer number (2504102132214).

Almost surely, 2^{20030444574906} is an apocalyptic number.

20030444574906 is an abundant number, since it is smaller than the sum of its proper divisors (20035189540518).

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

20030444574906 is a wasteful number, since it uses less digits than its factorization.

20030444574906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395413805.

The product of its (nonzero) digits is 2903040, while the sum is 48.

Adding to 20030444574906 its reverse (60947544403002), we get a palindrome (80977988977908).

The spelling of 20030444574906 in words is "twenty trillion, thirty billion, four hundred forty-four million, five hundred seventy-four thousand, nine hundred six".