20403714 has 16 divisors (see below), whose sum is σ = 42581952. Its totient is φ = 6505488.

The previous prime is 20403709. The next prime is 20403727. The reversal of 20403714 is 41730402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73789 + ... + 74064.

It is an arithmetic number, because the mean of its divisors is an integer number (2661372).

Almost surely, 2^20403714 is an apocalyptic number.

20403714 is an abundant number, since it is smaller than the sum of its proper divisors (22178238).

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

20403714 is a wasteful number, since it uses less digits than its factorization.

20403714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147881.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 20403714 is about 4517.0470442536. The cubic root of 20403714 is about 273.2560224870.

The spelling of 20403714 in words is "twenty million, four hundred three thousand, seven hundred fourteen".