20392580445 has 8 divisors (see below), whose sum is σ = 32628128736. Its totient is φ = 10876042896.

The previous prime is 20392580423. The next prime is 20392580447. The reversal of 20392580445 is 54408529302.

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

It is not a de Polignac number, because 20392580445 - 2⁷ = 20392580317 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20392580397 and 20392580406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20392580447) 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, 679752667 + ... + 679752696.

It is an arithmetic number, because the mean of its divisors is an integer number (4078516092).

Almost surely, 2^20392580445 is an apocalyptic number.

It is an amenable number.

20392580445 is a deficient number, since it is larger than the sum of its proper divisors (12235548291).

20392580445 is a wasteful number, since it uses less digits than its factorization.

20392580445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359505371.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 20392580445 in words is "twenty billion, three hundred ninety-two million, five hundred eighty thousand, four hundred forty-five".