20031303120 has 40 divisors (see below), whose sum is σ = 62097040416. Its totient is φ = 5341680768.

The previous prime is 20031303119. The next prime is 20031303157. The reversal of 20031303120 is 2130313002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20031303120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41731642 + ... + 41732121.

Almost surely, 2^20031303120 is an apocalyptic number.

20031303120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20031303120 is an abundant number, since it is smaller than the sum of its proper divisors (42065737296).

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

20031303120 is a wasteful number, since it uses less digits than its factorization.

20031303120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83463779 (or 83463773 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20031303120 its reverse (2130313002), we get a palindrome (22161616122).

The spelling of 20031303120 in words is "twenty billion, thirty-one million, three hundred three thousand, one hundred twenty".