204021024071 has 2 divisors, whose sum is σ = 204021024072. Its totient is φ = 204021024070.

The previous prime is 204021024059. The next prime is 204021024149. The reversal of 204021024071 is 170420120402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204021024071 - 2¹⁰ = 204021023047 is a prime.

It is a super-2 number, since 2×204021024071² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204021024271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102010512035 + 102010512036.

It is an arithmetic number, because the mean of its divisors is an integer number (102010512036).

Almost surely, 2^204021024071 is an apocalyptic number.

204021024071 is a deficient number, since it is larger than the sum of its proper divisors (1).

204021024071 is an equidigital number, since it uses as much as digits as its factorization.

204021024071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 204021024071 its reverse (170420120402), we get a palindrome (374441144473).

The spelling of 204021024071 in words is "two hundred four billion, twenty-one million, twenty-four thousand, seventy-one".