20830627 has 4 divisors (see below), whose sum is σ = 22055976. Its totient is φ = 19605280.

The previous prime is 20830609. The next prime is 20830633. The reversal of 20830627 is 72603802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72603802 = 2 ⋅36301901.

It is a cyclic number.

It is not a de Polignac number, because 20830627 - 2⁷ = 20830499 is a prime.

It is a super-3 number, since 3×20830627³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20830595 and 20830604.

It is not an unprimeable number, because it can be changed into a prime (20830637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612649 + ... + 612682.

It is an arithmetic number, because the mean of its divisors is an integer number (5513994).

Almost surely, 2^20830627 is an apocalyptic number.

20830627 is a deficient number, since it is larger than the sum of its proper divisors (1225349).

20830627 is a wasteful number, since it uses less digits than its factorization.

20830627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225348.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20830627 is about 4564.0581722848. The cubic root of 20830627 is about 275.1486887376.

The spelling of 20830627 in words is "twenty million, eight hundred thirty thousand, six hundred twenty-seven".