20560634 has 8 divisors (see below), whose sum is σ = 30861408. Its totient is φ = 10273500.

The previous prime is 20560601. The next prime is 20560649. The reversal of 20560634 is 43606502.

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

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, 2219 + ... + 6785.

It is an arithmetic number, because the mean of its divisors is an integer number (3857676).

Almost surely, 2^20560634 is an apocalyptic number.

20560634 is a deficient number, since it is larger than the sum of its proper divisors (10300774).

20560634 is a wasteful number, since it uses less digits than its factorization.

20560634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6820.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 20560634 is about 4534.3835303159. The cubic root of 20560634 is about 273.9547494848.

The spelling of 20560634 in words is "twenty million, five hundred sixty thousand, six hundred thirty-four".