204213213430 has 16 divisors (see below), whose sum is σ = 367974432144. Its totient is φ = 81598474720.

The previous prime is 204213213419. The next prime is 204213213433. The reversal of 204213213430 is 34312312402.

It is a super-3 number, since 3×204213213430³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204213213395 and 204213213404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204213213433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10841452 + ... + 10860271.

It is an arithmetic number, because the mean of its divisors is an integer number (22998402009).

Almost surely, 2^204213213430 is an apocalyptic number.

204213213430 is a deficient number, since it is larger than the sum of its proper divisors (163761218714).

204213213430 is a wasteful number, since it uses less digits than its factorization.

204213213430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21702671.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 204213213430 its reverse (34312312402), we get a palindrome (238525525832).

The spelling of 204213213430 in words is "two hundred four billion, two hundred thirteen million, two hundred thirteen thousand, four hundred thirty".