204051553402 has 4 divisors (see below), whose sum is σ = 306077330106. Its totient is φ = 102025776700.

The previous prime is 204051553373. The next prime is 204051553403. The reversal of 204051553402 is 204355150402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 154424634961 + 49626918441 = 392969^2 + 222771^2 .

It is not an unprimeable number, because it can be changed into a prime (204051553403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51012888349 + ... + 51012888352.

Almost surely, 2^204051553402 is an apocalyptic number.

204051553402 is a deficient number, since it is larger than the sum of its proper divisors (102025776704).

204051553402 is a wasteful number, since it uses less digits than its factorization.

204051553402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102025776703.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 204051553402 in words is "two hundred four billion, fifty-one million, five hundred fifty-three thousand, four hundred two".