20102323212320 has 24 divisors (see below), whose sum is σ = 47491738589484. Its totient is φ = 8040929284864.

The previous prime is 20102323212311. The next prime is 20102323212409. The reversal of 20102323212320 is 2321232320102.

It can be written as a sum of positive squares in 2 ways, for example, as 18448846124944 + 1653477087376 = 4295212^2 + 1285876^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62819759879 + ... + 62819760198.

Almost surely, 2^{20102323212320} is an apocalyptic number.

20102323212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102323212320 is an abundant number, since it is smaller than the sum of its proper divisors (27389415377164).

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

20102323212320 is a wasteful number, since it uses less digits than its factorization.

20102323212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125639520092 (or 125639520084 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20102323212320 its reverse (2321232320102), we get a palindrome (22423555532422).

The spelling of 20102323212320 in words is "twenty trillion, one hundred two billion, three hundred twenty-three million, two hundred twelve thousand, three hundred twenty".