20065477582 has 4 divisors (see below), whose sum is σ = 30098216376. Its totient is φ = 10032738790.

The previous prime is 20065477567. The next prime is 20065477583. The reversal of 20065477582 is 28577456002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065477583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016369394 + ... + 5016369397.

It is an arithmetic number, because the mean of its divisors is an integer number (7524554094).

Almost surely, 2^20065477582 is an apocalyptic number.

20065477582 is a deficient number, since it is larger than the sum of its proper divisors (10032738794).

20065477582 is a wasteful number, since it uses less digits than its factorization.

20065477582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10032738793.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 20065477582 in words is "twenty billion, sixty-five million, four hundred seventy-seven thousand, five hundred eighty-two".