20355413304131 has 8 divisors (see below), whose sum is σ = 20372731582464. Its totient is φ = 20338099757640.

The previous prime is 20355413304119. The next prime is 20355413304133. The reversal of 20355413304131 is 13140331455302.

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 20355413304131 - 2¹⁴ = 20355413287747 is a prime.

It is a super-2 number, since 2×20355413304131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20355413304091 and 20355413304100.

It is not an unprimeable number, because it can be changed into a prime (20355413304133) 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, 7451066 + ... + 9809648.

It is an arithmetic number, because the mean of its divisors is an integer number (2546591447808).

Almost surely, 2^{20355413304131} is an apocalyptic number.

20355413304131 is a deficient number, since it is larger than the sum of its proper divisors (17318278333).

20355413304131 is a wasteful number, since it uses less digits than its factorization.

20355413304131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365921.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 20355413304131 its reverse (13140331455302), we get a palindrome (33495744759433).

The spelling of 20355413304131 in words is "twenty trillion, three hundred fifty-five billion, four hundred thirteen million, three hundred four thousand, one hundred thirty-one".