210020202022100 has 144 divisors (see below), whose sum is σ = 473279312352000. Its totient is φ = 80838404075520.

The previous prime is 210020202022091. The next prime is 210020202022133. The reversal of 210020202022100 is 1220202020012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154566476 + ... + 155919324.

Almost surely, 2^{210020202022100} is an apocalyptic number.

210020202022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210020202022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236639656176000).

210020202022100 is an abundant number, since it is smaller than the sum of its proper divisors (263259110329900).

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

210020202022100 is a wasteful number, since it uses less digits than its factorization.

210020202022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353442 (or 1353435 counting only the distinct ones).

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

Adding to 210020202022100 its reverse (1220202020012), we get a palindrome (211240404042112).

The spelling of 210020202022100 in words is "two hundred ten trillion, twenty billion, two hundred two million, twenty-two thousand, one hundred".