2102020323320 has 32 divisors (see below), whose sum is σ = 4782686698800. Its totient is φ = 831360845568.

The previous prime is 2102020323217. The next prime is 2102020323373. The reversal of 2102020323320 is 233230202012.

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 = 2102020323292 and 2102020323301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295224014 + ... + 295231133.

Almost surely, 2^{2102020323320} is an apocalyptic number.

2102020323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102020323320 is an abundant number, since it is smaller than the sum of its proper divisors (2680666375480).

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

2102020323320 is a wasteful number, since it uses less digits than its factorization.

2102020323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590455247 (or 590455243 counting only the distinct ones).

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

Adding to 2102020323320 its reverse (233230202012), we get a palindrome (2335250525332).

The spelling of 2102020323320 in words is "two trillion, one hundred two billion, twenty million, three hundred twenty-three thousand, three hundred twenty".