20034514547 has 2 divisors, whose sum is σ = 20034514548. Its totient is φ = 20034514546.

The previous prime is 20034514529. The next prime is 20034514627. The reversal of 20034514547 is 74541543002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20034514547 - 2²⁰ = 20033465971 is a prime.

It is not a weakly prime, because it can be changed into another prime (20034514517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017257273 + 10017257274.

It is an arithmetic number, because the mean of its divisors is an integer number (10017257274).

Almost surely, 2^20034514547 is an apocalyptic number.

20034514547 is a deficient number, since it is larger than the sum of its proper divisors (1).

20034514547 is an equidigital number, since it uses as much as digits as its factorization.

20034514547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 20034514547 in words is "twenty billion, thirty-four million, five hundred fourteen thousand, five hundred forty-seven".