20470607 has 4 divisors (see below), whose sum is σ = 21176520. Its totient is φ = 19764696.

The previous prime is 20470573. The next prime is 20470627. The reversal of 20470607 is 70607402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20470607 - 2¹⁴ = 20454223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20470627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352913 + ... + 352970.

It is an arithmetic number, because the mean of its divisors is an integer number (5294130).

Almost surely, 2^20470607 is an apocalyptic number.

20470607 is a deficient number, since it is larger than the sum of its proper divisors (705913).

20470607 is an equidigital number, since it uses as much as digits as its factorization.

20470607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705912.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 20470607 is about 4524.4454908861. The cubic root of 20470607 is about 273.5543174572.

The spelling of 20470607 in words is "twenty million, four hundred seventy thousand, six hundred seven".