20102020130305 has 8 divisors (see below), whose sum is σ = 24577564235112. Its totient is φ = 15778189385088.

The previous prime is 20102020130219. The next prime is 20102020130417. The reversal of 20102020130305 is 50303102020102.

It can be written as a sum of positive squares in 4 ways, for example, as 6619963639041 + 13482056491264 = 2572929^2 + 3671792^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20102020130305 - 2²³ = 20102011741697 is a prime.

It is a Duffinian 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, 37928339604 + ... + 37928340133.

It is an arithmetic number, because the mean of its divisors is an integer number (3072195529389).

Almost surely, 2^{20102020130305} is an apocalyptic number.

It is an amenable number.

20102020130305 is a deficient number, since it is larger than the sum of its proper divisors (4475544104807).

20102020130305 is an equidigital number, since it uses as much as digits as its factorization.

20102020130305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75856679795.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 20102020130305 its reverse (50303102020102), we get a palindrome (70405122150407).

The spelling of 20102020130305 in words is "twenty trillion, one hundred two billion, twenty million, one hundred thirty thousand, three hundred five".