20620527 has 8 divisors (see below), whose sum is σ = 27552000. Its totient is φ = 13718040.

The previous prime is 20620513. The next prime is 20620531. The reversal of 20620527 is 72502602.

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

It is not a de Polignac number, because 20620527 - 2⁷ = 20620399 is a prime.

It is a super-2 number, since 2×20620527² = 850412267515458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20620497 and 20620506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620547) 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, 5527 + ... + 8472.

It is an arithmetic number, because the mean of its divisors is an integer number (3444000).

Almost surely, 2^20620527 is an apocalyptic number.

20620527 is a deficient number, since it is larger than the sum of its proper divisors (6931473).

20620527 is a wasteful number, since it uses less digits than its factorization.

20620527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14493.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 20620527 is about 4540.9830433509. The cubic root of 20620527 is about 274.2205011057.

The spelling of 20620527 in words is "twenty million, six hundred twenty thousand, five hundred twenty-seven".