20842231248 has 60 divisors (see below), whose sum is σ = 59067677760. Its totient is φ = 6859464768.

The previous prime is 20842231237. The next prime is 20842231261. The reversal of 20842231248 is 84213224802.

20842231248 is a `hidden beast` number, since 208 + 422 + 3 + 1 + 24 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 904686 + ... + 927437.

It is an arithmetic number, because the mean of its divisors is an integer number (984461296).

Almost surely, 2^20842231248 is an apocalyptic number.

It is an amenable number.

20842231248 is an abundant number, since it is smaller than the sum of its proper divisors (38225446512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20842231248 is a wasteful number, since it uses less digits than its factorization.

20842231248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832216 (or 1832207 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 20842231248 in words is "twenty billion, eight hundred forty-two million, two hundred thirty-one thousand, two hundred forty-eight".