20764627 has 8 divisors (see below), whose sum is σ = 22539776. Its totient is φ = 19014912.

The previous prime is 20764619. The next prime is 20764651. The reversal of 20764627 is 72646702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20764627 - 2³ = 20764619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20764592 and 20764601.

It is not an unprimeable number, because it can be changed into a prime (20764127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4638 + ... + 7939.

It is an arithmetic number, because the mean of its divisors is an integer number (2817472).

Almost surely, 2^20764627 is an apocalyptic number.

20764627 is a deficient number, since it is larger than the sum of its proper divisors (1775149).

20764627 is a wasteful number, since it uses less digits than its factorization.

20764627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12717.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 20764627 is about 4556.8220285633. The cubic root of 20764627 is about 274.8577865235.

The spelling of 20764627 in words is "twenty million, seven hundred sixty-four thousand, six hundred twenty-seven".