10120023320 has 64 divisors (see below), whose sum is σ = 24909638400. Its totient is φ = 3669700480.

The previous prime is 10120023301. The next prime is 10120023341. The reversal of 10120023320 is 2332002101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10120023295 and 10120023304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125927 + ... + 189993.

It is an arithmetic number, because the mean of its divisors is an integer number (389213100).

Almost surely, 2^10120023320 is an apocalyptic number.

10120023320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10120023320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12454819200).

10120023320 is an abundant number, since it is smaller than the sum of its proper divisors (14789615080).

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

10120023320 is a wasteful number, since it uses less digits than its factorization.

10120023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64448 (or 64444 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10120023320 its reverse (2332002101), we get a palindrome (12452025421).

The spelling of 10120023320 in words is "ten billion, one hundred twenty million, twenty-three thousand, three hundred twenty".