10013320240 has 80 divisors (see below), whose sum is σ = 29025642240. Its totient is φ = 3121032960.

The previous prime is 10013320217. The next prime is 10013320277. The reversal of 10013320240 is 4202331001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 806610 + ... + 818929.

It is an arithmetic number, because the mean of its divisors is an integer number (362820528).

Almost surely, 2^10013320240 is an apocalyptic number.

10013320240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10013320240 is an abundant number, since it is smaller than the sum of its proper divisors (19012322000).

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

10013320240 is a wasteful number, since it uses less digits than its factorization.

10013320240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625570 (or 1625564 counting only the distinct ones).

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

Adding to 10013320240 its reverse (4202331001), we get a palindrome (14215651241).

The spelling of 10013320240 in words is "ten billion, thirteen million, three hundred twenty thousand, two hundred forty".