20734132577 has 2 divisors, whose sum is σ = 20734132578. Its totient is φ = 20734132576.

The previous prime is 20734132571. The next prime is 20734132583. The reversal of 20734132577 is 77523143702.

It is a balanced prime because it is at equal distance from previous prime (20734132571) and next prime (20734132583).

It can be written as a sum of positive squares in only one way, i.e., 20254697761 + 479434816 = 142319^2 + 21896^2 .

It is a cyclic number.

It is not a de Polignac number, because 20734132577 - 2⁶ = 20734132513 is a prime.

It is a super-2 number, since 2×20734132577² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20734132571) 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, 10367066288 + 10367066289.

It is an arithmetic number, because the mean of its divisors is an integer number (10367066289).

Almost surely, 2^20734132577 is an apocalyptic number.

It is an amenable number.

20734132577 is a deficient number, since it is larger than the sum of its proper divisors (1).

20734132577 is an equidigital number, since it uses as much as digits as its factorization.

20734132577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 41.

The spelling of 20734132577 in words is "twenty billion, seven hundred thirty-four million, one hundred thirty-two thousand, five hundred seventy-seven".