210202122222220 has 24 divisors (see below), whose sum is σ = 441429951284784. Its totient is φ = 84079802294976.

The previous prime is 210202122222187. The next prime is 210202122222283. The reversal of 210202122222220 is 22222221202012.

It is a junction number, because it is equal to n+sod(n) for n = 210202122222191 and 210202122222200.

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, 63764187 + ... + 66979666.

It is an arithmetic number, because the mean of its divisors is an integer number (18392914636866).

Almost surely, 2^{210202122222220} is an apocalyptic number.

210202122222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210202122222220 is an abundant number, since it is smaller than the sum of its proper divisors (231227829062564).

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

210202122222220 is a wasteful number, since it uses less digits than its factorization.

210202122222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130824249 (or 130824247 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 210202122222220 its reverse (22222221202012), we get a palindrome (232424343424232).

The spelling of 210202122222220 in words is "two hundred ten trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty".