20701882 has 8 divisors (see below), whose sum is σ = 32123700. Its totient is φ = 9993984.

The previous prime is 20701847. The next prime is 20701897. The reversal of 20701882 is 28810702.

It can be written as a sum of positive squares in 2 ways, for example, as 20079361 + 622521 = 4481^2 + 789^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20701882.

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, 178407 + ... + 178522.

Almost surely, 2^20701882 is an apocalyptic number.

20701882 is a deficient number, since it is larger than the sum of its proper divisors (11421818).

20701882 is a wasteful number, since it uses less digits than its factorization.

20701882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356960.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 20701882 is about 4549.9320874053. The cubic root of 20701882 is about 274.5806589533.

The spelling of 20701882 in words is "twenty million, seven hundred one thousand, eight hundred eighty-two".