20470084 has 12 divisors (see below), whose sum is σ = 36498924. Its totient is φ = 10041824.

The previous prime is 20470061. The next prime is 20470097. The reversal of 20470084 is 48007402.

It can be written as a sum of positive squares in 2 ways, for example, as 8065600 + 12404484 = 2840^2 + 3522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48067 + ... + 48490.

It is an arithmetic number, because the mean of its divisors is an integer number (3041577).

Almost surely, 2^20470084 is an apocalyptic number.

It is an amenable number.

20470084 is a deficient number, since it is larger than the sum of its proper divisors (16028840).

20470084 is a wasteful number, since it uses less digits than its factorization.

20470084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96614 (or 96612 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 20470084 is about 4524.3876933791. The cubic root of 20470084 is about 273.5519877734.

Adding to 20470084 its reverse (48007402), we get a palindrome (68477486).

The spelling of 20470084 in words is "twenty million, four hundred seventy thousand, eighty-four".