20130441421330 has 16 divisors (see below), whose sum is σ = 37118570036184. Its totient is φ = 7855782017920.

The previous prime is 20130441421303. The next prime is 20130441421331. The reversal of 20130441421330 is 3312414403102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7817297259249 + 12313144162081 = 2795943^2 + 3509009^2 .

It is not an unprimeable number, because it can be changed into a prime (20130441421331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24549318397 + ... + 24549319216.

Almost surely, 2^{20130441421330} is an apocalyptic number.

20130441421330 is a deficient number, since it is larger than the sum of its proper divisors (16988128614854).

20130441421330 is a wasteful number, since it uses less digits than its factorization.

20130441421330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49098637661.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20130441421330 its reverse (3312414403102), we get a palindrome (23442855824432).

The spelling of 20130441421330 in words is "twenty trillion, one hundred thirty billion, four hundred forty-one million, four hundred twenty-one thousand, three hundred thirty".