20820714 has 16 divisors (see below), whose sum is σ = 42767328. Its totient is φ = 6752592.

The previous prime is 20820697. The next prime is 20820721. The reversal of 20820714 is 41702802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46672 + ... + 47115.

It is an arithmetic number, because the mean of its divisors is an integer number (2672958).

Almost surely, 2^20820714 is an apocalyptic number.

20820714 is an abundant number, since it is smaller than the sum of its proper divisors (21946614).

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

20820714 is a wasteful number, since it uses less digits than its factorization.

20820714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93829.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 20820714 is about 4562.9720577711. The cubic root of 20820714 is about 275.1050353591.

The spelling of 20820714 in words is "twenty million, eight hundred twenty thousand, seven hundred fourteen".