20765626 has 8 divisors (see below), whose sum is σ = 35598240. Its totient is φ = 8899548.

The previous prime is 20765617. The next prime is 20765669. The reversal of 20765626 is 62656702.

It is a happy number.

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

It is a super-2 number, since 2×20765626² = 862422446343752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20765591 and 20765600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741616 + ... + 741643.

It is an arithmetic number, because the mean of its divisors is an integer number (4449780).

Almost surely, 2^20765626 is an apocalyptic number.

20765626 is a deficient number, since it is larger than the sum of its proper divisors (14832614).

20765626 is a wasteful number, since it uses less digits than its factorization.

20765626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483268.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 20765626 is about 4556.9316431125. The cubic root of 20765626 is about 274.8621943164.

The spelling of 20765626 in words is "twenty million, seven hundred sixty-five thousand, six hundred twenty-six".