20330325544 has 32 divisors (see below), whose sum is σ = 38862312840. Its totient is φ = 9967276800.

The previous prime is 20330325539. The next prime is 20330325607. The reversal of 20330325544 is 44552303302.

It can be written as a sum of positive squares in 4 ways, for example, as 11823952644 + 8506372900 = 108738^2 + 92230^2 .

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, 724414 + ... + 751954.

Almost surely, 2^20330325544 is an apocalyptic number.

It is an amenable number.

20330325544 is a deficient number, since it is larger than the sum of its proper divisors (18531987296).

20330325544 is a wasteful number, since it uses less digits than its factorization.

20330325544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29341 (or 29337 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 20330325544 its reverse (44552303302), we get a palindrome (64882628846).

The spelling of 20330325544 in words is "twenty billion, three hundred thirty million, three hundred twenty-five thousand, five hundred forty-four".