20466047 has 8 divisors (see below), whose sum is σ = 23431296. Its totient is φ = 17511192.

The previous prime is 20466041. The next prime is 20466053. The reversal of 20466047 is 74066402.

It is an interprime number because it is at equal distance from previous prime (20466041) and next prime (20466053).

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 20466047 - 2¹² = 20461951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20466041) 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, 2228 + ... + 6774.

It is an arithmetic number, because the mean of its divisors is an integer number (2928912).

Almost surely, 2^20466047 is an apocalyptic number.

20466047 is a deficient number, since it is larger than the sum of its proper divisors (2965249).

20466047 is an equidigital number, since it uses as much as digits as its factorization.

20466047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 20466047 is about 4523.9415336629. The cubic root of 20466047 is about 273.5340037733.

The spelling of 20466047 in words is "twenty million, four hundred sixty-six thousand, forty-seven".