10320420543 has 8 divisors (see below), whose sum is σ = 13764720000. Its totient is φ = 6878200728.

The previous prime is 10320420533. The next prime is 10320420553. The reversal of 10320420543 is 34502402301.

It is an interprime number because it is at equal distance from previous prime (10320420533) and next prime (10320420553).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10320420543 - 2⁴ = 10320420527 is a prime.

It is a super-2 number, since 2×10320420543² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320420533) 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, 508293 + ... + 528206.

It is an arithmetic number, because the mean of its divisors is an integer number (1720590000).

Almost surely, 2^10320420543 is an apocalyptic number.

10320420543 is a deficient number, since it is larger than the sum of its proper divisors (3444299457).

10320420543 is a wasteful number, since it uses less digits than its factorization.

10320420543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039821.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 10320420543 its reverse (34502402301), we get a palindrome (44822822844).

The spelling of 10320420543 in words is "ten billion, three hundred twenty million, four hundred twenty thousand, five hundred forty-three".