20064600441 has 12 divisors (see below), whose sum is σ = 29017512420. Its totient is φ = 13360102560.

The previous prime is 20064600433. The next prime is 20064600443. The reversal of 20064600441 is 14400646002.

It can be written as a sum of positive squares in 2 ways, for example, as 9044010000 + 11020590441 = 95100^2 + 104979^2 .

It is not a de Polignac number, because 20064600441 - 2³ = 20064600433 is a prime.

It is a super-3 number, since 3×20064600441³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20064600443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1350346 + ... + 1365123.

It is an arithmetic number, because the mean of its divisors is an integer number (2418126035).

Almost surely, 2^20064600441 is an apocalyptic number.

It is an amenable number.

20064600441 is a deficient number, since it is larger than the sum of its proper divisors (8952911979).

20064600441 is a wasteful number, since it uses less digits than its factorization.

20064600441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716296 (or 2716293 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 20064600441 in words is "twenty billion, sixty-four million, six hundred thousand, four hundred forty-one".