210202102022020 has 48 divisors (see below), whose sum is σ = 444380898911040. Its totient is φ = 83518050155904.

The previous prime is 210202102021999. The next prime is 210202102022069. The reversal of 210202102022020 is 20220201202012.

It is a junction number, because it is equal to n+sod(n) for n = 210202102021985 and 210202102022003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283110 + ... + 20543869.

It is an arithmetic number, because the mean of its divisors is an integer number (9257935393980).

Almost surely, 2^{210202102022020} is an apocalyptic number.

210202102022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210202102022020 is an abundant number, since it is smaller than the sum of its proper divisors (234178796889020).

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

210202102022020 is a wasteful number, since it uses less digits than its factorization.

210202102022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21830212 (or 21830210 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 210202102022020 its reverse (20220201202012), we get a palindrome (230422303224032).

The spelling of 210202102022020 in words is "two hundred ten trillion, two hundred two billion, one hundred two million, twenty-two thousand, twenty".