220201973 has 2 divisors, whose sum is σ = 220201974. Its totient is φ = 220201972.

The previous prime is 220201967. The next prime is 220201979. The reversal of 220201973 is 379102022.

It is a balanced prime because it is at equal distance from previous prime (220201967) and next prime (220201979).

It can be written as a sum of positive squares in only one way, i.e., 219573124 + 628849 = 14818^2 + 793^2 .

It is a cyclic number.

It is not a de Polignac number, because 220201973 - 2⁴ = 220201957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220201979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100986 + 110100987.

It is an arithmetic number, because the mean of its divisors is an integer number (110100987).

Almost surely, 2^220201973 is an apocalyptic number.

It is an amenable number.

220201973 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201973 is an equidigital number, since it uses as much as digits as its factorization.

220201973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 220201973 is about 14839.2039206960. The cubic root of 220201973 is about 603.8657554743.

Adding to 220201973 its reverse (379102022), we get a palindrome (599303995).

The spelling of 220201973 in words is "two hundred twenty million, two hundred one thousand, nine hundred seventy-three".