20990846150 has 12 divisors (see below), whose sum is σ = 39042973932. Its totient is φ = 8396338440.

The previous prime is 20990846143. The next prime is 20990846189. The reversal of 20990846150 is 5164809902.

It is a Curzon number.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 209908412 + ... + 209908511.

It is an arithmetic number, because the mean of its divisors is an integer number (3253581161).

Almost surely, 2^20990846150 is an apocalyptic number.

20990846150 is a deficient number, since it is larger than the sum of its proper divisors (18052127782).

20990846150 is a wasteful number, since it uses less digits than its factorization.

20990846150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419816935 (or 419816930 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 20990846150 in words is "twenty billion, nine hundred ninety million, eight hundred forty-six thousand, one hundred fifty".