20401714 has 16 divisors (see below), whose sum is σ = 31370328. Its totient is φ = 9947392.

The previous prime is 20401709. The next prime is 20401721. The reversal of 20401714 is 41710402.

It can be written as a sum of positive squares in 4 ways, for example, as 18533025 + 1868689 = 4305^2 + 1367^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20401691 and 20401700.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20394 + ... + 21370.

Almost surely, 2^20401714 is an apocalyptic number.

20401714 is a deficient number, since it is larger than the sum of its proper divisors (10968614).

20401714 is a wasteful number, since it uses less digits than its factorization.

20401714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 20401714 is about 4516.8256552583. The cubic root of 20401714 is about 273.2470938854.

It can be divided in two parts, 20401 and 714, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 20401714 in words is "twenty million, four hundred one thousand, seven hundred fourteen".