20065625441 has 8 divisors (see below), whose sum is σ = 20110066080. Its totient is φ = 20021224608.

The previous prime is 20065625401. The next prime is 20065625443. The reversal of 20065625441 is 14452656002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20065625441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20065625443) 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, 1143230 + ... + 1160648.

It is an arithmetic number, because the mean of its divisors is an integer number (2513758260).

Almost surely, 2^20065625441 is an apocalyptic number.

It is an amenable number.

20065625441 is a deficient number, since it is larger than the sum of its proper divisors (44440639).

20065625441 is a wasteful number, since it uses less digits than its factorization.

20065625441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19903.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20065625441 in words is "twenty billion, sixty-five million, six hundred twenty-five thousand, four hundred forty-one".