20450701 has 2 divisors, whose sum is σ = 20450702. Its totient is φ = 20450700.

The previous prime is 20450699. The next prime is 20450719. The reversal of 20450701 is 10705402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16410601 + 4040100 = 4051^2 + 2010^2 .

It is a cyclic number.

It is not a de Polignac number, because 20450701 - 2¹ = 20450699 is a prime.

Together with 20450699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20450741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10225350 + 10225351.

It is an arithmetic number, because the mean of its divisors is an integer number (10225351).

Almost surely, 2^20450701 is an apocalyptic number.

It is an amenable number.

20450701 is a deficient number, since it is larger than the sum of its proper divisors (1).

20450701 is an equidigital number, since it uses as much as digits as its factorization.

20450701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20450701 is about 4522.2451282521. The cubic root of 20450701 is about 273.4656189271.

It can be divided in two parts, 204 and 50701, that added together give a palindrome (50905).

The spelling of 20450701 in words is "twenty million, four hundred fifty thousand, seven hundred one".