20553835007 has 2 divisors, whose sum is σ = 20553835008. Its totient is φ = 20553835006.

The previous prime is 20553834979. The next prime is 20553835031. The reversal of 20553835007 is 70053835502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20553835007 - 2²⁰ = 20552786431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20553835037) 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, 10276917503 + 10276917504.

It is an arithmetic number, because the mean of its divisors is an integer number (10276917504).

Almost surely, 2^20553835007 is an apocalyptic number.

20553835007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20553835007 is an equidigital number, since it uses as much as digits as its factorization.

20553835007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 20553835007 in words is "twenty billion, five hundred fifty-three million, eight hundred thirty-five thousand, seven".