202015511340 has 96 divisors (see below), whose sum is σ = 570347737344. Its totient is φ = 53423335680.

The previous prime is 202015511329. The next prime is 202015511359. The reversal of 202015511340 is 43115510202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 202015511340.

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, 12780322 + ... + 12796118.

It is an arithmetic number, because the mean of its divisors is an integer number (5941122264).

Almost surely, 2^202015511340 is an apocalyptic number.

202015511340 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 202015511340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285173868672).

202015511340 is an abundant number, since it is smaller than the sum of its proper divisors (368332226004).

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

202015511340 is a wasteful number, since it uses less digits than its factorization.

202015511340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17567 (or 17565 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 202015511340 in words is "two hundred two billion, fifteen million, five hundred eleven thousand, three hundred forty".