210010020200020 has 24 divisors (see below), whose sum is σ = 451277345733984. Its totient is φ = 82050426496416.

The previous prime is 210010020200009. The next prime is 210010020200053. The reversal of 210010020200020 is 20002020010012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122098848094 + ... + 122098849813.

It is an arithmetic number, because the mean of its divisors is an integer number (18803222738916).

Almost surely, 2^{210010020200020} is an apocalyptic number.

210010020200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210010020200020 is an abundant number, since it is smaller than the sum of its proper divisors (241267325533964).

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

210010020200020 is a wasteful number, since it uses less digits than its factorization.

210010020200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244197697959 (or 244197697957 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 210010020200020 its reverse (20002020010012), we get a palindrome (230012040210032).

The spelling of 210010020200020 in words is "two hundred ten trillion, ten billion, twenty million, two hundred thousand, twenty".