20344633055051 has 2 divisors, whose sum is σ = 20344633055052. Its totient is φ = 20344633055050.

The previous prime is 20344633055023. The next prime is 20344633055069. The reversal of 20344633055051 is 15055033644302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20344633055051 - 2²² = 20344628860747 is a prime.

It is a super-2 number, since 2×20344633055051² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20344633055081) 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, 10172316527525 + 10172316527526.

It is an arithmetic number, because the mean of its divisors is an integer number (10172316527526).

Almost surely, 2^{20344633055051} is an apocalyptic number.

20344633055051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344633055051 is an equidigital number, since it uses as much as digits as its factorization.

20344633055051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 20344633055051 its reverse (15055033644302), we get a palindrome (35399666699353).

The spelling of 20344633055051 in words is "twenty trillion, three hundred forty-four billion, six hundred thirty-three million, fifty-five thousand, fifty-one".