204051242452 has 12 divisors (see below), whose sum is σ = 365799178836. Its totient is φ = 99537191360.

The previous prime is 204051242449. The next prime is 204051242453. The reversal of 204051242452 is 254242150402.

It can be written as a sum of positive squares in 2 ways, for example, as 18571148176 + 185480094276 = 136276^2 + 430674^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204051242453) 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, 622107283 + ... + 622107610.

It is an arithmetic number, because the mean of its divisors is an integer number (30483264903).

Almost surely, 2^204051242452 is an apocalyptic number.

It is an amenable number.

204051242452 is a deficient number, since it is larger than the sum of its proper divisors (161747936384).

204051242452 is a wasteful number, since it uses less digits than its factorization.

204051242452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244214938 (or 1244214936 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 204051242452 its reverse (254242150402), we get a palindrome (458293392854).

The spelling of 204051242452 in words is "two hundred four billion, fifty-one million, two hundred forty-two thousand, four hundred fifty-two".