20000004442461 has 6 divisors (see below), whose sum is σ = 28888895305790. Its totient is φ = 13333336294968.

The previous prime is 20000004442417. The next prime is 20000004442529. The reversal of 20000004442461 is 16424440000002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15162067822500 + 4837936619961 = 3893850^2 + 2199531^2 .

It is not a de Polignac number, because 20000004442461 - 2¹³ = 20000004434269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000004442961) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1111111357906 + ... + 1111111357923.

Almost surely, 2^{20000004442461} is an apocalyptic number.

It is an amenable number.

20000004442461 is a deficient number, since it is larger than the sum of its proper divisors (8888890863329).

20000004442461 is a wasteful number, since it uses less digits than its factorization.

20000004442461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222222715835 (or 2222222715832 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20000004442461 its reverse (16424440000002), we get a palindrome (36424444442463).

The spelling of 20000004442461 in words is "twenty trillion, four million, four hundred forty-two thousand, four hundred sixty-one".