20767714 has 12 divisors (see below), whose sum is σ = 34241382. Its totient is φ = 9439760.

The previous prime is 20767711. The next prime is 20767717. The reversal of 20767714 is 41776702.

It is an interprime number because it is at equal distance from previous prime (20767711) and next prime (20767717).

It can be written as a sum of positive squares in only one way, i.e., 17935225 + 2832489 = 4235^2 + 1683^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20767714.

It is not an unprimeable number, because it can be changed into a prime (20767711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42667 + ... + 43150.

Almost surely, 2^20767714 is an apocalyptic number.

20767714 is a deficient number, since it is larger than the sum of its proper divisors (13473668).

20767714 is a wasteful number, since it uses less digits than its factorization.

20767714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85841 (or 85830 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 20767714 is about 4557.1607388812. The cubic root of 20767714 is about 274.8714065441.

The spelling of 20767714 in words is "twenty million, seven hundred sixty-seven thousand, seven hundred fourteen".