20712601 has 8 divisors (see below), whose sum is σ = 25492544. Its totient is φ = 16387920.

The previous prime is 20712589. The next prime is 20712607. The reversal of 20712601 is 10621702.

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 20712601 - 2⁷ = 20712473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20712607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113715 + ... + 113896.

It is an arithmetic number, because the mean of its divisors is an integer number (3186568).

Almost surely, 2^20712601 is an apocalyptic number.

It is an amenable number.

20712601 is a deficient number, since it is larger than the sum of its proper divisors (4779943).

20712601 is a wasteful number, since it uses less digits than its factorization.

20712601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227631.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 20712601 is about 4551.1098646374. The cubic root of 20712601 is about 274.6280414771.

The spelling of 20712601 in words is "twenty million, seven hundred twelve thousand, six hundred one".