20321023103101 has 16 divisors (see below), whose sum is σ = 23721145975296. Its totient is φ = 17045273604096.

The previous prime is 20321023103039. The next prime is 20321023103107. The reversal of 20321023103101 is 10130132012302.

It is a cyclic number.

It is not a de Polignac number, because 20321023103101 - 2¹⁵ = 20321023070333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321023103107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279746 + ... + 6502291.

It is an arithmetic number, because the mean of its divisors is an integer number (1482571623456).

Almost surely, 2^{20321023103101} is an apocalyptic number.

It is an amenable number.

20321023103101 is a deficient number, since it is larger than the sum of its proper divisors (3400122872195).

20321023103101 is an equidigital number, since it uses as much as digits as its factorization.

20321023103101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790028.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20321023103101 its reverse (10130132012302), we get a palindrome (30451155115403).

The spelling of 20321023103101 in words is "twenty trillion, three hundred twenty-one billion, twenty-three million, one hundred three thousand, one hundred one".