20048126066 has 4 divisors (see below), whose sum is σ = 30072189102. Its totient is φ = 10024063032.

The previous prime is 20048126047. The next prime is 20048126071. The reversal of 20048126066 is 66062184002.

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

It can be written as a sum of positive squares in only one way, i.e., 19943370841 + 104755225 = 141221^2 + 10235^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5012031515 + ... + 5012031518.

Almost surely, 2^20048126066 is an apocalyptic number.

20048126066 is a deficient number, since it is larger than the sum of its proper divisors (10024063036).

20048126066 is a wasteful number, since it uses less digits than its factorization.

20048126066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10024063035.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 20048126066 in words is "twenty billion, forty-eight million, one hundred twenty-six thousand, sixty-six".