20020201200120 has 128 divisors (see below), whose sum is σ = 68369382858240. Its totient is φ = 4642365488640.

The previous prime is 20020201200101. The next prime is 20020201200121. The reversal of 20020201200120 is 2100210202002.

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 = 20020201200096 and 20020201200105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020201200121) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 329683099 + ... + 329743818.

It is an arithmetic number, because the mean of its divisors is an integer number (534135803580).

Almost surely, 2^{20020201200120} is an apocalyptic number.

20020201200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020201200120 is an abundant number, since it is smaller than the sum of its proper divisors (48349181658120).

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

20020201200120 is a wasteful number, since it uses less digits than its factorization.

20020201200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659426965 (or 659426961 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020201200120 its reverse (2100210202002), we get a palindrome (22120411402122).

The spelling of 20020201200120 in words is "twenty trillion, twenty billion, two hundred one million, two hundred thousand, one hundred twenty".