10312202240 has 96 divisors (see below), whose sum is σ = 24972948000. Its totient is φ = 4086595584.

The previous prime is 10312202189. The next prime is 10312202293. The reversal of 10312202240 is 4220221301.

It is a super-2 number, since 2×10312202240² (a number of 21 digits) contains 22 as substring.

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, 1111541 + ... + 1120779.

It is an arithmetic number, because the mean of its divisors is an integer number (260134875).

Almost surely, 2^10312202240 is an apocalyptic number.

10312202240 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 10312202240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12486474000).

10312202240 is an abundant number, since it is smaller than the sum of its proper divisors (14660745760).

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

10312202240 is an equidigital number, since it uses as much as digits as its factorization.

10312202240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9375 (or 9355 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10312202240 its reverse (4220221301), we get a palindrome (14532423541).

The spelling of 10312202240 in words is "ten billion, three hundred twelve million, two hundred two thousand, two hundred forty".