10305220344530 has 32 divisors (see below), whose sum is σ = 18595155550896. Its totient is φ = 4111924506624.

The previous prime is 10305220344481. The next prime is 10305220344533. The reversal of 10305220344530 is 3544302250301.

It can be written as a sum of positive squares in 8 ways, for example, as 3064379788369 + 7240840556161 = 1750537^2 + 2690881^2 .

It is not an unprimeable number, because it can be changed into a prime (10305220344533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16217972 + ... + 16841408.

Almost surely, 2^{10305220344530} is an apocalyptic number.

10305220344530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10305220344530 is a deficient number, since it is larger than the sum of its proper divisors (8289935206366).

10305220344530 is a wasteful number, since it uses less digits than its factorization.

10305220344530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627518.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 10305220344530 its reverse (3544302250301), we get a palindrome (13849522594831).

The spelling of 10305220344530 in words is "ten trillion, three hundred five billion, two hundred twenty million, three hundred forty-four thousand, five hundred thirty".