20303003111020 has 48 divisors (see below), whose sum is σ = 49344007587840. Its totient is φ = 6872915335104.

The previous prime is 20303003110991. The next prime is 20303003111047. The reversal of 20303003111020 is 2011130030302.

It is a junction number, because it is equal to n+sod(n) for n = 20303003110985 and 20303003111003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917846224 + ... + 917868343.

It is an arithmetic number, because the mean of its divisors is an integer number (1028000158080).

Almost surely, 2^{20303003111020} is an apocalyptic number.

20303003111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20303003111020 is an abundant number, since it is smaller than the sum of its proper divisors (29041004476820).

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

20303003111020 is a wasteful number, since it uses less digits than its factorization.

20303003111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835714662 (or 1835714660 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20303003111020 its reverse (2011130030302), we get a palindrome (22314133141322).

The spelling of 20303003111020 in words is "twenty trillion, three hundred three billion, three million, one hundred eleven thousand, twenty".