20020103031120 has 160 divisors (see below), whose sum is σ = 64578697984512. Its totient is φ = 5126517866496.

The previous prime is 20020103031101. The next prime is 20020103031263. The reversal of 20020103031120 is 2113030102002.

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 20020103031120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16145857 + ... + 17341536.

Almost surely, 2^{20020103031120} is an apocalyptic number.

20020103031120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020103031120 is an abundant number, since it is smaller than the sum of its proper divisors (44558594953392).

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

20020103031120 is a wasteful number, since it uses less digits than its factorization.

20020103031120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33487509 (or 33487503 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20020103031120 its reverse (2113030102002), we get a palindrome (22133133133122).

The spelling of 20020103031120 in words is "twenty trillion, twenty billion, one hundred three million, thirty-one thousand, one hundred twenty".