20213204112403 has 8 divisors (see below), whose sum is σ = 20246426788896. Its totient is φ = 20179982246400.

The previous prime is 20213204112401. The next prime is 20213204112419. The reversal of 20213204112403 is 30421140231202.

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 20213204112403 - 2¹ = 20213204112401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213204112401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69191283 + ... + 69482803.

It is an arithmetic number, because the mean of its divisors is an integer number (2530803348612).

Almost surely, 2^{20213204112403} is an apocalyptic number.

20213204112403 is a deficient number, since it is larger than the sum of its proper divisors (33222676493).

20213204112403 is a wasteful number, since it uses less digits than its factorization.

20213204112403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405245.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20213204112403 its reverse (30421140231202), we get a palindrome (50634344343605).

The spelling of 20213204112403 in words is "twenty trillion, two hundred thirteen billion, two hundred four million, one hundred twelve thousand, four hundred three".