20595241147 has 4 divisors (see below), whose sum is σ = 22179490480. Its totient is φ = 19010991816.

The previous prime is 20595241133. The next prime is 20595241151. The reversal of 20595241147 is 74114259502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74114259502 = 2 ⋅37057129751.

It is a cyclic number.

It is not a de Polignac number, because 20595241147 - 2¹⁵ = 20595208379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20595241157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792124647 + ... + 792124672.

It is an arithmetic number, because the mean of its divisors is an integer number (5544872620).

Almost surely, 2^20595241147 is an apocalyptic number.

20595241147 is a deficient number, since it is larger than the sum of its proper divisors (1584249333).

20595241147 is a wasteful number, since it uses less digits than its factorization.

20595241147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584249332.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 20595241147 in words is "twenty billion, five hundred ninety-five million, two hundred forty-one thousand, one hundred forty-seven".