2002020100120 has 32 divisors (see below), whose sum is σ = 4525893799920. Its totient is φ = 797012737920.

The previous prime is 2002020100043. The next prime is 2002020100127. The reversal of 2002020100120 is 210010202002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2002020100097 and 2002020100106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002020100127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118594647 + ... + 118611526.

Almost surely, 2^{2002020100120} is an apocalyptic number.

2002020100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002020100120 is an abundant number, since it is smaller than the sum of its proper divisors (2523873699800).

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

2002020100120 is a wasteful number, since it uses less digits than its factorization.

2002020100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237206395 (or 237206391 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2002020100120 its reverse (210010202002), we get a palindrome (2212030302122).

The spelling of 2002020100120 in words is "two trillion, two billion, twenty million, one hundred thousand, one hundred twenty".