204534011000 has 64 divisors (see below), whose sum is σ = 522119576160. Its totient is φ = 74376000000.

The previous prime is 204534010997. The next prime is 204534011009. The reversal of 204534011000 is 110435402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204534011009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9286001 + ... + 9308000.

Almost surely, 2^204534011000 is an apocalyptic number.

204534011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204534011000 is an abundant number, since it is smaller than the sum of its proper divisors (317585565160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204534011000 is a wasteful number, since it uses less digits than its factorization.

204534011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18594033 (or 18594019 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 204534011000 its reverse (110435402), we get a palindrome (204644446402).

The spelling of 204534011000 in words is "two hundred four billion, five hundred thirty-four million, eleven thousand".