10301311220 has 24 divisors (see below), whose sum is σ = 21685662600. Its totient is φ = 4110446592.

The previous prime is 10301311169. The next prime is 10301311243. The reversal of 10301311220 is 2211310301.

It can be written as a sum of positive squares in 4 ways, for example, as 601819024 + 9699492196 = 24532^2 + 98486^2 .

It is a super-2 number, since 2×10301311220² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10301311195 and 10301311204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621485 + ... + 637844.

It is an arithmetic number, because the mean of its divisors is an integer number (903569275).

Almost surely, 2^10301311220 is an apocalyptic number.

10301311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10301311220 is an abundant number, since it is smaller than the sum of its proper divisors (11384351380).

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

10301311220 is a wasteful number, since it uses less digits than its factorization.

10301311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259747 (or 1259745 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10301311220 its reverse (2211310301), we get a palindrome (12512621521).

The spelling of 10301311220 in words is "ten billion, three hundred one million, three hundred eleven thousand, two hundred twenty".