20202340051 has 2 divisors, whose sum is σ = 20202340052. Its totient is φ = 20202340050.

The previous prime is 20202340001. The next prime is 20202340057. The reversal of 20202340051 is 15004320202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20202340051 - 2⁹ = 20202339539 is a prime.

It is not a weakly prime, because it can be changed into another prime (20202340057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101170025 + 10101170026.

It is an arithmetic number, because the mean of its divisors is an integer number (10101170026).

Almost surely, 2^20202340051 is an apocalyptic number.

20202340051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202340051 is an equidigital number, since it uses as much as digits as its factorization.

20202340051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20202340051 its reverse (15004320202), we get a palindrome (35206660253).

The spelling of 20202340051 in words is "twenty billion, two hundred two million, three hundred forty thousand, fifty-one".