10120043320 has 32 divisors (see below), whose sum is σ = 22889329920. Its totient is φ = 4026820480.

The previous prime is 10120043317. The next prime is 10120043357. The reversal of 10120043320 is 2334002101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10120043294 and 10120043303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654667 + ... + 669946.

It is an arithmetic number, because the mean of its divisors is an integer number (715291560).

Almost surely, 2^10120043320 is an apocalyptic number.

10120043320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120043320 is an abundant number, since it is smaller than the sum of its proper divisors (12769286600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10120043320 is a wasteful number, since it uses less digits than its factorization.

10120043320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324815 (or 1324811 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10120043320 its reverse (2334002101), we get a palindrome (12454045421).

The spelling of 10120043320 in words is "ten billion, one hundred twenty million, forty-three thousand, three hundred twenty".