2102230323020 has 48 divisors (see below), whose sum is σ = 4428466172928. Its totient is φ = 838270683840.

The previous prime is 2102230323007. The next prime is 2102230323073. The reversal of 2102230323020 is 203230322012.

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 = 2102230322983 and 2102230323001.

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, 8805425 + ... + 9041015.

It is an arithmetic number, because the mean of its divisors is an integer number (92259711936).

Almost surely, 2^{2102230323020} is an apocalyptic number.

2102230323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102230323020 is an abundant number, since it is smaller than the sum of its proper divisors (2326235849908).

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

2102230323020 is a wasteful number, since it uses less digits than its factorization.

2102230323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236990 (or 236988 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2102230323020 its reverse (203230322012), we get a palindrome (2305460645032).

The spelling of 2102230323020 in words is "two trillion, one hundred two billion, two hundred thirty million, three hundred twenty-three thousand, twenty".