20714807 has 12 divisors (see below), whose sum is σ = 22244040. Its totient is φ = 19236960.

The previous prime is 20714803. The next prime is 20714819. The reversal of 20714807 is 70841702.

It is not a de Polignac number, because 20714807 - 2² = 20714803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20714807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20714801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70553 + ... + 70845.

It is an arithmetic number, because the mean of its divisors is an integer number (1853670).

Almost surely, 2^20714807 is an apocalyptic number.

20714807 is a deficient number, since it is larger than the sum of its proper divisors (1529233).

20714807 is an equidigital number, since it uses as much as digits as its factorization.

20714807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 20714807 is about 4551.3522166495. The cubic root of 20714807 is about 274.6377909038.

The spelling of 20714807 in words is "twenty million, seven hundred fourteen thousand, eight hundred seven".