212020300020 has 48 divisors (see below), whose sum is σ = 593677022400. Its totient is φ = 56536824576.

The previous prime is 212020299947. The next prime is 212020300049. The reversal of 212020300020 is 20003020212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 212020299969 and 212020300005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3052599 + ... + 3121281.

It is an arithmetic number, because the mean of its divisors is an integer number (12368271300).

Almost surely, 2^212020300020 is an apocalyptic number.

212020300020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020300020 is an abundant number, since it is smaller than the sum of its proper divisors (381656722380).

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

212020300020 is a wasteful number, since it uses less digits than its factorization.

212020300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120144 (or 120142 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 212020300020 its reverse (20003020212), we get a palindrome (232023320232).

The spelling of 212020300020 in words is "two hundred twelve billion, twenty million, three hundred thousand, twenty".