20303100120 has 64 divisors (see below), whose sum is σ = 60983785440. Its totient is φ = 5407539200.

The previous prime is 20303100079. The next prime is 20303100137. The reversal of 20303100120 is 2100130302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20303100096 and 20303100105.

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, 4521 + ... + 201560.

Almost surely, 2^20303100120 is an apocalyptic number.

20303100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20303100120 is an abundant number, since it is smaller than the sum of its proper divisors (40680685320).

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

20303100120 is a wasteful number, since it uses less digits than its factorization.

20303100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206916 (or 206912 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20303100120 its reverse (2100130302), we get a palindrome (22403230422).

The spelling of 20303100120 in words is "twenty billion, three hundred three million, one hundred thousand, one hundred twenty".