20350214431 has 2 divisors, whose sum is σ = 20350214432. Its totient is φ = 20350214430.

The previous prime is 20350214419. The next prime is 20350214447. The reversal of 20350214431 is 13441205302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20350214431 - 2⁷ = 20350214303 is a prime.

It is a super-2 number, since 2×20350214431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20350214396 and 20350214405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20350214411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10175107215 + 10175107216.

It is an arithmetic number, because the mean of its divisors is an integer number (10175107216).

Almost surely, 2^20350214431 is an apocalyptic number.

20350214431 is a deficient number, since it is larger than the sum of its proper divisors (1).

20350214431 is an equidigital number, since it uses as much as digits as its factorization.

20350214431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20350214431 its reverse (13441205302), we get a palindrome (33791419733).

The spelling of 20350214431 in words is "twenty billion, three hundred fifty million, two hundred fourteen thousand, four hundred thirty-one".