20846148982 has 4 divisors (see below), whose sum is σ = 31269223476. Its totient is φ = 10423074490.

The previous prime is 20846148979. The next prime is 20846148991. The reversal of 20846148982 is 28984164802.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5211537244 + ... + 5211537247.

It is an arithmetic number, because the mean of its divisors is an integer number (7817305869).

Almost surely, 2^20846148982 is an apocalyptic number.

20846148982 is a deficient number, since it is larger than the sum of its proper divisors (10423074494).

20846148982 is a wasteful number, since it uses less digits than its factorization.

20846148982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10423074493.

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 20846148982 in words is "twenty billion, eight hundred forty-six million, one hundred forty-eight thousand, nine hundred eighty-two".