20240130440225 has 48 divisors (see below), whose sum is σ = 25563906214512. Its totient is φ = 15893666242560.

The previous prime is 20240130440207. The next prime is 20240130440269. The reversal of 20240130440225 is 52204403104202.

It can be written as a sum of positive squares in 24 ways, for example, as 19504597792801 + 735532647424 = 4416401^2 + 857632^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20240130440225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 354607289 + ... + 354664361.

It is an arithmetic number, because the mean of its divisors is an integer number (532581379469).

Almost surely, 2^{20240130440225} is an apocalyptic number.

20240130440225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20240130440225 is a deficient number, since it is larger than the sum of its proper divisors (5323775774287).

20240130440225 is a wasteful number, since it uses less digits than its factorization.

20240130440225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58086 (or 58081 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 20240130440225 its reverse (52204403104202), we get a palindrome (72444533544427).

The spelling of 20240130440225 in words is "twenty trillion, two hundred forty billion, one hundred thirty million, four hundred forty thousand, two hundred twenty-five".