20212544312341 has 4 divisors (see below), whose sum is σ = 20213617240800. Its totient is φ = 20211471383884.

The previous prime is 20212544312329. The next prime is 20212544312381. The reversal of 20212544312341 is 14321344521202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20212544312341 - 2²⁵ = 20212510757909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20212544312297 and 20212544312306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212544312381) 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, 536435971 + ... + 536473648.

It is an arithmetic number, because the mean of its divisors is an integer number (5053404310200).

Almost surely, 2^{20212544312341} is an apocalyptic number.

It is an amenable number.

20212544312341 is a deficient number, since it is larger than the sum of its proper divisors (1072928459).

20212544312341 is a wasteful number, since it uses less digits than its factorization.

20212544312341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072928458.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 20212544312341 its reverse (14321344521202), we get a palindrome (34533888833543).

The spelling of 20212544312341 in words is "twenty trillion, two hundred twelve billion, five hundred forty-four million, three hundred twelve thousand, three hundred forty-one".