204142351435 has 32 divisors (see below), whose sum is σ = 273533863680. Its totient is φ = 144973046400.

The previous prime is 204142351429. The next prime is 204142351471. The reversal of 204142351435 is 534153241402.

It is not a de Polignac number, because 204142351435 - 2⁵ = 204142351403 is a prime.

It is a super-2 number, since 2×204142351435² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204142351435.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9991380 + ... + 10011790.

It is an arithmetic number, because the mean of its divisors is an integer number (8547933240).

Almost surely, 2^204142351435 is an apocalyptic number.

204142351435 is a deficient number, since it is larger than the sum of its proper divisors (69391512245).

204142351435 is a wasteful number, since it uses less digits than its factorization.

204142351435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24699.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 204142351435 its reverse (534153241402), we get a palindrome (738295592837).

The spelling of 204142351435 in words is "two hundred four billion, one hundred forty-two million, three hundred fifty-one thousand, four hundred thirty-five".