20003303045 has 32 divisors (see below), whose sum is σ = 27926156160. Its totient is φ = 13593507840.

The previous prime is 20003303027. The next prime is 20003303051. The reversal of 20003303045 is 54030330002.

It is not a de Polignac number, because 20003303045 - 2⁶ = 20003302981 is a prime.

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, 53009 + ... + 206921.

It is an arithmetic number, because the mean of its divisors is an integer number (872692380).

Almost surely, 2^20003303045 is an apocalyptic number.

It is an amenable number.

20003303045 is a deficient number, since it is larger than the sum of its proper divisors (7922853115).

20003303045 is a wasteful number, since it uses less digits than its factorization.

20003303045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154085.

The product of its (nonzero) digits is 1080, while the sum is 20.

Adding to 20003303045 its reverse (54030330002), we get a palindrome (74033633047).

The spelling of 20003303045 in words is "twenty billion, three million, three hundred three thousand, forty-five".