204432421330 has 32 divisors (see below), whose sum is σ = 368740856880. Its totient is φ = 81603624960.

The previous prime is 204432421321. The next prime is 204432421499. The reversal of 204432421330 is 33124234402.

It can be written as a sum of positive squares in 8 ways, for example, as 133570513729 + 70861907601 = 365473^2 + 266199^2 .

It is a super-2 number, since 2×204432421330² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30468016 + ... + 30474724.

Almost surely, 2^204432421330 is an apocalyptic number.

204432421330 is a deficient number, since it is larger than the sum of its proper divisors (164308435550).

204432421330 is a wasteful number, since it uses less digits than its factorization.

204432421330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12574.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 204432421330 its reverse (33124234402), we get a palindrome (237556655732).

The spelling of 204432421330 in words is "two hundred four billion, four hundred thirty-two million, four hundred twenty-one thousand, three hundred thirty".