20470701 has 4 divisors (see below), whose sum is σ = 27294272. Its totient is φ = 13647132.

The previous prime is 20470679. The next prime is 20470721. The reversal of 20470701 is 10707402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20470701 - 2⁷ = 20470573 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 (20470721) 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, 3411781 + ... + 3411786.

It is an arithmetic number, because the mean of its divisors is an integer number (6823568).

Almost surely, 2^20470701 is an apocalyptic number.

It is an amenable number.

20470701 is a deficient number, since it is larger than the sum of its proper divisors (6823571).

20470701 is an equidigital number, since it uses as much as digits as its factorization.

20470701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823570.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 20470701 is about 4524.4558788875. The cubic root of 20470701 is about 273.5547361725.

The spelling of 20470701 in words is "twenty million, four hundred seventy thousand, seven hundred one".