210002020202120 has 32 divisors (see below), whose sum is σ = 478485615657600. Its totient is φ = 82937506711488.

The previous prime is 210002020202099. The next prime is 210002020202173. The reversal of 210002020202120 is 21202020200012.

It is a junction number, because it is equal to n+sod(n) for n = 210002020202095 and 210002020202104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33228164594 + ... + 33228170913.

It is an arithmetic number, because the mean of its divisors is an integer number (14952675489300).

Almost surely, 2^{210002020202120} is an apocalyptic number.

210002020202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002020202120 is an abundant number, since it is smaller than the sum of its proper divisors (268483595455480).

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

210002020202120 is a wasteful number, since it uses less digits than its factorization.

210002020202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66456335597 (or 66456335593 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 210002020202120 its reverse (21202020200012), we get a palindrome (231204040402132).

The spelling of 210002020202120 in words is "two hundred ten trillion, two billion, twenty million, two hundred two thousand, one hundred twenty".