20948273098 has 4 divisors (see below), whose sum is σ = 31422409650. Its totient is φ = 10474136548.

The previous prime is 20948273083. The next prime is 20948273173. The reversal of 20948273098 is 89037284902.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89037284902 = 2 ⋅44518642451.

It can be written as a sum of positive squares in only one way, i.e., 17554395049 + 3393878049 = 132493^2 + 58257^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5237068273 + ... + 5237068276.

Almost surely, 2^20948273098 is an apocalyptic number.

20948273098 is a deficient number, since it is larger than the sum of its proper divisors (10474136552).

20948273098 is a wasteful number, since it uses less digits than its factorization.

20948273098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474136551.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 20948273098 in words is "twenty billion, nine hundred forty-eight million, two hundred seventy-three thousand, ninety-eight".