20020101021120 has 56 divisors (see below), whose sum is σ = 63563820745104. Its totient is φ = 5338693605376.

The previous prime is 20020101021119. The next prime is 20020101021187. The reversal of 20020101021120 is 2112010102002.

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 = 20020101021096 and 20020101021105.

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, 10427134989 + ... + 10427136908.

Almost surely, 2^{20020101021120} is an apocalyptic number.

20020101021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020101021120 is an abundant number, since it is smaller than the sum of its proper divisors (43543719723984).

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

20020101021120 is a wasteful number, since it uses less digits than its factorization.

20020101021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20854271917 (or 20854271907 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20020101021120 its reverse (2112010102002), we get a palindrome (22132111123122).

The spelling of 20020101021120 in words is "twenty trillion, twenty billion, one hundred one million, twenty-one thousand, one hundred twenty".