20133520007 has 2 divisors, whose sum is σ = 20133520008. Its totient is φ = 20133520006.

The previous prime is 20133519943. The next prime is 20133520009. The reversal of 20133520007 is 70002533102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20133520007 - 2⁶ = 20133519943 is a prime.

Together with 20133520009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133520009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066760003 + 10066760004.

It is an arithmetic number, because the mean of its divisors is an integer number (10066760004).

Almost surely, 2^20133520007 is an apocalyptic number.

20133520007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133520007 is an equidigital number, since it uses as much as digits as its factorization.

20133520007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The spelling of 20133520007 in words is "twenty billion, one hundred thirty-three million, five hundred twenty thousand, seven".