20212320230103 has 4 divisors (see below), whose sum is σ = 26949760306808. Its totient is φ = 13474880153400.

The previous prime is 20212320230101. The next prime is 20212320230107. The reversal of 20212320230103 is 30103202321202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20212320230103 - 2¹ = 20212320230101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20212320230103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212320230101) 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, 3368720038348 + ... + 3368720038353.

It is an arithmetic number, because the mean of its divisors is an integer number (6737440076702).

Almost surely, 2^{20212320230103} is an apocalyptic number.

20212320230103 is a deficient number, since it is larger than the sum of its proper divisors (6737440076705).

20212320230103 is an equidigital number, since it uses as much as digits as its factorization.

20212320230103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737440076704.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20212320230103 its reverse (30103202321202), we get a palindrome (50315522551305).

The spelling of 20212320230103 in words is "twenty trillion, two hundred twelve billion, three hundred twenty million, two hundred thirty thousand, one hundred three".