210001120022020 has 24 divisors (see below), whose sum is σ = 441099339778944. Its totient is φ = 83981974154976.

The previous prime is 210001120022003. The next prime is 210001120022059. The reversal of 210001120022020 is 20220021100012.

It is a happy number.

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, 1154522652 + ... + 1154704531.

It is an arithmetic number, because the mean of its divisors is an integer number (18379139157456).

Almost surely, 2^{210001120022020} is an apocalyptic number.

210001120022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210001120022020 is an abundant number, since it is smaller than the sum of its proper divisors (231098219756924).

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

210001120022020 is a wasteful number, since it uses less digits than its factorization.

210001120022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309231739 (or 2309231737 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210001120022020 its reverse (20220021100012), we get a palindrome (230221141122032).

It can be divided in two parts, 210001 and 120022020, that added together give a palindrome (120232021).

The spelling of 210001120022020 in words is "two hundred ten trillion, one billion, one hundred twenty million, twenty-two thousand, twenty".