20446687282 has 8 divisors (see below), whose sum is σ = 35051463936. Its totient is φ = 8762865972.

The previous prime is 20446687277. The next prime is 20446687319. The reversal of 20446687282 is 28278664402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730238818 + ... + 730238845.

It is an arithmetic number, because the mean of its divisors is an integer number (4381432992).

Almost surely, 2^20446687282 is an apocalyptic number.

20446687282 is a deficient number, since it is larger than the sum of its proper divisors (14604776654).

20446687282 is a wasteful number, since it uses less digits than its factorization.

20446687282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460477672.

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 20446687282 in words is "twenty billion, four hundred forty-six million, six hundred eighty-seven thousand, two hundred eighty-two".