20303444305104 has 80 divisors (see below), whose sum is σ = 55628253861504. Its totient is φ = 6367437964800.

The previous prime is 20303444305069. The next prime is 20303444305121. The reversal of 20303444305104 is 40150344430302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150676927 + ... + 150811614.

Almost surely, 2^{20303444305104} is an apocalyptic number.

20303444305104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20303444305104 is an abundant number, since it is smaller than the sum of its proper divisors (35324809556400).

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

20303444305104 is a wasteful number, since it uses less digits than its factorization.

20303444305104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301488636 (or 301488630 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 20303444305104 its reverse (40150344430302), we get a palindrome (60453788735406).

The spelling of 20303444305104 in words is "twenty trillion, three hundred three billion, four hundred forty-four million, three hundred five thousand, one hundred four".