2102242212020 has 48 divisors (see below), whose sum is σ = 4420734721536. Its totient is φ = 839749680000.

The previous prime is 2102242212017. The next prime is 2102242212079. The reversal of 2102242212020 is 202122422012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2102242211983 and 2102242212001.

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, 60651695 + ... + 60686345.

It is an arithmetic number, because the mean of its divisors is an integer number (92098640032).

Almost surely, 2^{2102242212020} is an apocalyptic number.

2102242212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102242212020 is an abundant number, since it is smaller than the sum of its proper divisors (2318492509516).

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

2102242212020 is a wasteful number, since it uses less digits than its factorization.

2102242212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38712 (or 38710 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2102242212020 its reverse (202122422012), we get a palindrome (2304364634032).

The spelling of 2102242212020 in words is "two trillion, one hundred two billion, two hundred forty-two million, two hundred twelve thousand, twenty".