20330001444 has 24 divisors (see below), whose sum is σ = 49933337440. Its totient is φ = 6420000384.

The previous prime is 20330001437. The next prime is 20330001473. The reversal of 20330001444 is 44410003302.

It is a self number, because there is not a number n which added to its sum of digits gives 20330001444.

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, 44583109 + ... + 44583564.

Almost surely, 2^20330001444 is an apocalyptic number.

It is an amenable number.

20330001444 is an abundant number, since it is smaller than the sum of its proper divisors (29603335996).

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

20330001444 is a wasteful number, since it uses less digits than its factorization.

20330001444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89166699 (or 89166697 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20330001444 its reverse (44410003302), we get a palindrome (64740004746).

The spelling of 20330001444 in words is "twenty billion, three hundred thirty million, one thousand, four hundred forty-four".