20102320003216 has 20 divisors (see below), whose sum is σ = 42488994552624. Its totient is φ = 9137418183200.

The previous prime is 20102320003159. The next prime is 20102320003217. The reversal of 20102320003216 is 61230002320102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20102320003217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57108863470 + ... + 57108863821.

Almost surely, 2^{20102320003216} is an apocalyptic number.

It is an amenable number.

20102320003216 is an abundant number, since it is smaller than the sum of its proper divisors (22386674549408).

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

20102320003216 is a wasteful number, since it uses less digits than its factorization.

20102320003216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114217727310 (or 114217727304 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20102320003216 its reverse (61230002320102), we get a palindrome (81332322323318).

The spelling of 20102320003216 in words is "twenty trillion, one hundred two billion, three hundred twenty million, three thousand, two hundred sixteen".