20466607 has 8 divisors (see below), whose sum is σ = 23417856. Its totient is φ = 17522232.

The previous prime is 20466601. The next prime is 20466613. The reversal of 20466607 is 70666402.

It is an interprime number because it is at equal distance from previous prime (20466601) and next prime (20466613).

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

It is not a de Polignac number, because 20466607 - 2¹¹ = 20464559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20466601) 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, 10158 + ... + 12004.

It is an arithmetic number, because the mean of its divisors is an integer number (2927232).

Almost surely, 2^20466607 is an apocalyptic number.

20466607 is the 3694-th pentagonal number.

20466607 is a deficient number, since it is larger than the sum of its proper divisors (2951249).

20466607 is a wasteful number, since it uses less digits than its factorization.

20466607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 20466607 is about 4524.0034261702. The cubic root of 20466607 is about 273.5364985987.

Subtracting from 20466607 its sum of digits (31), we obtain a square (20466576 = 4524²).

The spelling of 20466607 in words is "twenty million, four hundred sixty-six thousand, six hundred seven".