204242002051 has 2 divisors, whose sum is σ = 204242002052. Its totient is φ = 204242002050.

The previous prime is 204242001983. The next prime is 204242002057. The reversal of 204242002051 is 150200242402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204242002051 - 2²⁹ = 203705131139 is a prime.

It is not a weakly prime, because it can be changed into another prime (204242002057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102121001025 + 102121001026.

It is an arithmetic number, because the mean of its divisors is an integer number (102121001026).

Almost surely, 2^204242002051 is an apocalyptic number.

204242002051 is a deficient number, since it is larger than the sum of its proper divisors (1).

204242002051 is an equidigital number, since it uses as much as digits as its factorization.

204242002051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 204242002051 its reverse (150200242402), we get a palindrome (354442244453).

The spelling of 204242002051 in words is "two hundred four billion, two hundred forty-two million, two thousand, fifty-one".