204501135740 has 96 divisors (see below), whose sum is σ = 473989924800. Its totient is φ = 73496401920.

The previous prime is 204501135737. The next prime is 204501135743. The reversal of 204501135740 is 47531105402.

It is an interprime number because it is at equal distance from previous prime (204501135737) and next prime (204501135743).

It is a junction number, because it is equal to n+sod(n) for n = 204501135697 and 204501135706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204501135743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6887246 + ... + 6916874.

It is an arithmetic number, because the mean of its divisors is an integer number (4937395050).

Almost surely, 2^204501135740 is an apocalyptic number.

204501135740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204501135740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236994962400).

204501135740 is an abundant number, since it is smaller than the sum of its proper divisors (269488789060).

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

204501135740 is a wasteful number, since it uses less digits than its factorization.

204501135740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30015 (or 30013 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 204501135740 in words is "two hundred four billion, five hundred one million, one hundred thirty-five thousand, seven hundred forty".