20070473 has 2 divisors, whose sum is σ = 20070474. Its totient is φ = 20070472.

The previous prime is 20070469. The next prime is 20070509. The reversal of 20070473 is 37407002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18088009 + 1982464 = 4253^2 + 1408^2 .

It is a cyclic number.

It is not a de Polignac number, because 20070473 - 2² = 20070469 is a prime.

It is not a weakly prime, because it can be changed into another prime (20070433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10035236 + 10035237.

It is an arithmetic number, because the mean of its divisors is an integer number (10035237).

Almost surely, 2^20070473 is an apocalyptic number.

It is an amenable number.

20070473 is a deficient number, since it is larger than the sum of its proper divisors (1).

20070473 is an equidigital number, since it uses as much as digits as its factorization.

20070473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 20070473 is about 4480.0081473140. The cubic root of 20070473 is about 271.7602098397.

Adding to 20070473 its reverse (37407002), we get a palindrome (57477475).

The spelling of 20070473 in words is "twenty million, seventy thousand, four hundred seventy-three".