20413331202431 has 8 divisors (see below), whose sum is σ = 20613932451840. Its totient is φ = 20212776367992.

The previous prime is 20413331202379. The next prime is 20413331202503. The reversal of 20413331202431 is 13420213331402.

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 20413331202431 - 2¹⁴ = 20413331186047 is a prime.

It is a super-2 number, since 2×20413331202431² (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 = 20413331202394 and 20413331202403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413331202931) 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, 10719491 + ... + 12479348.

It is an arithmetic number, because the mean of its divisors is an integer number (2576741556480).

Almost surely, 2^{20413331202431} is an apocalyptic number.

20413331202431 is a deficient number, since it is larger than the sum of its proper divisors (200601249409).

20413331202431 is a wasteful number, since it uses less digits than its factorization.

20413331202431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23207485.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 20413331202431 its reverse (13420213331402), we get a palindrome (33833544533833).

The spelling of 20413331202431 in words is "twenty trillion, four hundred thirteen billion, three hundred thirty-one million, two hundred two thousand, four hundred thirty-one".