20214021073 has 2 divisors, whose sum is σ = 20214021074. Its totient is φ = 20214021072.

The previous prime is 20214021049. The next prime is 20214021097. The reversal of 20214021073 is 37012041202.

It is a balanced prime because it is at equal distance from previous prime (20214021049) and next prime (20214021097).

It can be written as a sum of positive squares in only one way, i.e., 17813707024 + 2400314049 = 133468^2 + 48993^2 .

It is a cyclic number.

It is not a de Polignac number, because 20214021073 - 2²⁹ = 19677150161 is a prime.

It is not a weakly prime, because it can be changed into another prime (20214021013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107010536 + 10107010537.

It is an arithmetic number, because the mean of its divisors is an integer number (10107010537).

Almost surely, 2^20214021073 is an apocalyptic number.

It is an amenable number.

20214021073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20214021073 is an equidigital number, since it uses as much as digits as its factorization.

20214021073 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 22.

Adding to 20214021073 its reverse (37012041202), we get a palindrome (57226062275).

The spelling of 20214021073 in words is "twenty billion, two hundred fourteen million, twenty-one thousand, seventy-three".