1001202020210 has 48 divisors (see below), whose sum is σ = 2096493762240. Its totient is φ = 343253000160.

The previous prime is 1001202020149. The next prime is 1001202020213. The reversal of 1001202020210 is 120202021001.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1001202020191 and 1001202020200.

It is not an unprimeable number, because it can be changed into a prime (1001202020213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15201731 + ... + 15267449.

It is an arithmetic number, because the mean of its divisors is an integer number (43676953380).

Almost surely, 2^{1001202020210} is an apocalyptic number.

1001202020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001202020210 is an abundant number, since it is smaller than the sum of its proper divisors (1095291742030).

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

1001202020210 is a wasteful number, since it uses less digits than its factorization.

1001202020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96831 (or 96824 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1001202020210 its reverse (120202021001), we get a palindrome (1121404041211).

The spelling of 1001202020210 in words is "one trillion, one billion, two hundred two million, twenty thousand, two hundred ten".