20701594933 has 2 divisors, whose sum is σ = 20701594934. Its totient is φ = 20701594932.

The previous prime is 20701594897. The next prime is 20701594937. The reversal of 20701594933 is 33949510702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14088977809 + 6612617124 = 118697^2 + 81318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20701594933 is a prime.

It is a super-2 number, since 2×20701594933² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20701594933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20701594937) 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, 10350797466 + 10350797467.

It is an arithmetic number, because the mean of its divisors is an integer number (10350797467).

Almost surely, 2^20701594933 is an apocalyptic number.

It is an amenable number.

20701594933 is a deficient number, since it is larger than the sum of its proper divisors (1).

20701594933 is an equidigital number, since it uses as much as digits as its factorization.

20701594933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 20701594933 in words is "twenty billion, seven hundred one million, five hundred ninety-four thousand, nine hundred thirty-three".