20022202051 has 2 divisors, whose sum is σ = 20022202052. Its totient is φ = 20022202050.

The previous prime is 20022202037. The next prime is 20022202169. The reversal of 20022202051 is 15020222002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20022202051 - 2¹³ = 20022193859 is a prime.

It is not a weakly prime, because it can be changed into another prime (20022202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011101025 + 10011101026.

It is an arithmetic number, because the mean of its divisors is an integer number (10011101026).

Almost surely, 2^20022202051 is an apocalyptic number.

20022202051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022202051 is an equidigital number, since it uses as much as digits as its factorization.

20022202051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 20022202051 its reverse (15020222002), we get a palindrome (35042424053).

The spelling of 20022202051 in words is "twenty billion, twenty-two million, two hundred two thousand, fifty-one".