10320434542442 has 4 divisors (see below), whose sum is σ = 15480651813666. Its totient is φ = 5160217271220.

The previous prime is 10320434542409. The next prime is 10320434542447. The reversal of 10320434542442 is 24424543402301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8068036904041 + 2252397638401 = 2840429^2 + 1500799^2 .

It is a super-2 number, since 2×10320434542442² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10320434542396 and 10320434542405.

It is not an unprimeable number, because it can be changed into a prime (10320434542447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580108635609 + ... + 2580108635612.

Almost surely, 2^{10320434542442} is an apocalyptic number.

10320434542442 is a deficient number, since it is larger than the sum of its proper divisors (5160217271224).

10320434542442 is an equidigital number, since it uses as much as digits as its factorization.

10320434542442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160217271223.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 10320434542442 its reverse (24424543402301), we get a palindrome (34744977944743).

The spelling of 10320434542442 in words is "ten trillion, three hundred twenty billion, four hundred thirty-four million, five hundred forty-two thousand, four hundred forty-two".