20148886882 has 4 divisors (see below), whose sum is σ = 30223330326. Its totient is φ = 10074443440.

The previous prime is 20148886861. The next prime is 20148886957. The reversal of 20148886882 is 28868884102.

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., 18601959321 + 1546927561 = 136389^2 + 39331^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5037221719 + ... + 5037221722.

Almost surely, 2^20148886882 is an apocalyptic number.

20148886882 is a deficient number, since it is larger than the sum of its proper divisors (10074443444).

20148886882 is a wasteful number, since it uses less digits than its factorization.

20148886882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074443443.

The product of its (nonzero) digits is 3145728, while the sum is 55.

The spelling of 20148886882 in words is "twenty billion, one hundred forty-eight million, eight hundred eighty-six thousand, eight hundred eighty-two".