210000020012020 has 48 divisors (see below), whose sum is σ = 504028089895680. Its totient is φ = 71996000880384.

The previous prime is 210000020012011. The next prime is 210000020012021. The reversal of 210000020012020 is 20210020000012.

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

It is a junction number, because it is equal to n+sod(n) for n = 210000020011988 and 210000020012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000020012021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39203200 + ... + 44236759.

It is an arithmetic number, because the mean of its divisors is an integer number (10500585206160).

Almost surely, 2^{210000020012020} is an apocalyptic number.

210000020012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210000020012020 is an abundant number, since it is smaller than the sum of its proper divisors (294028069883660).

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

210000020012020 is a wasteful number, since it uses less digits than its factorization.

210000020012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83457952 (or 83457950 counting only the distinct ones).

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

Adding to 210000020012020 its reverse (20210020000012), we get a palindrome (230210040012032).

The spelling of 210000020012020 in words is "two hundred ten trillion, twenty million, twelve thousand, twenty".