2000220473 has 2 divisors, whose sum is σ = 2000220474. Its totient is φ = 2000220472.

The previous prime is 2000220353. The next prime is 2000220487. The reversal of 2000220473 is 3740220002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1875496249 + 124724224 = 43307^2 + 11168^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000220473 - 2²² = 1996026169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000210473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000110236 + 1000110237.

It is an arithmetic number, because the mean of its divisors is an integer number (1000110237).

Almost surely, 2^2000220473 is an apocalyptic number.

It is an amenable number.

2000220473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000220473 is an equidigital number, since it uses as much as digits as its factorization.

2000220473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2000220473 is about 44723.8244451433. The cubic root of 2000220473 is about 1259.9673446227.

Adding to 2000220473 its reverse (3740220002), we get a palindrome (5740440475).

The spelling of 2000220473 in words is "two billion, two hundred twenty thousand, four hundred seventy-three".