10301023231220 has 12 divisors (see below), whose sum is σ = 21632148785604. Its totient is φ = 4120409292480.

The previous prime is 10301023231211. The next prime is 10301023231229. The reversal of 10301023231220 is 2213232010301.

It is an interprime number because it is at equal distance from previous prime (10301023231211) and next prime (10301023231229).

It can be written as a sum of positive squares in 2 ways, for example, as 4380531792784 + 5920491438436 = 2092972^2 + 2433206^2 .

It is a super-2 number, since 2×10301023231220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 515051161561 = 10301023231220 / (1 + 0 + 3 + 0 + 1 + 0 + 2 + 3 + 2 + 3 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 10301023231192 and 10301023231201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10301023231229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257525580761 + ... + 257525580800.

It is an arithmetic number, because the mean of its divisors is an integer number (1802679065467).

Almost surely, 2^{10301023231220} is an apocalyptic number.

10301023231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10301023231220 is an abundant number, since it is smaller than the sum of its proper divisors (11331125554384).

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

10301023231220 is a wasteful number, since it uses less digits than its factorization.

10301023231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515051161570 (or 515051161568 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10301023231220 its reverse (2213232010301), we get a palindrome (12514255241521).

The spelling of 10301023231220 in words is "ten trillion, three hundred one billion, twenty-three million, two hundred thirty-one thousand, two hundred twenty".