20313412421203 has 32 divisors (see below), whose sum is σ = 24203828759040. Its totient is φ = 16846487516160.

The previous prime is 20313412421179. The next prime is 20313412421321. The reversal of 20313412421203 is 30212421431302.

It is a cyclic number.

It is not a de Polignac number, because 20313412421203 - 2¹³ = 20313412413011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20313412421503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12790351 + ... + 14290552.

It is an arithmetic number, because the mean of its divisors is an integer number (756369648720).

Almost surely, 2^{20313412421203} is an apocalyptic number.

20313412421203 is a deficient number, since it is larger than the sum of its proper divisors (3890416337837).

20313412421203 is a wasteful number, since it uses less digits than its factorization.

20313412421203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27081067.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20313412421203 its reverse (30212421431302), we get a palindrome (50525833852505).

It can be divided in two parts, 2031341 and 2421203, that added together give a palindrome (4452544).

The spelling of 20313412421203 in words is "twenty trillion, three hundred thirteen billion, four hundred twelve million, four hundred twenty-one thousand, two hundred three".