203142565362 has 48 divisors (see below), whose sum is σ = 448902451872. Its totient is φ = 60779010240.

The previous prime is 203142565333. The next prime is 203142565391. The reversal of 203142565362 is 263565241302.

It is an interprime number because it is at equal distance from previous prime (203142565333) and next prime (203142565391).

It is a self number, because there is not a number n which added to its sum of digits gives 203142565362.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165318 + ... + 658494.

It is an arithmetic number, because the mean of its divisors is an integer number (9352134414).

Almost surely, 2^203142565362 is an apocalyptic number.

203142565362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 203142565362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224451225936).

203142565362 is an abundant number, since it is smaller than the sum of its proper divisors (245759886510).

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

203142565362 is a wasteful number, since it uses less digits than its factorization.

203142565362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493351 (or 493272 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 203142565362 in words is "two hundred three billion, one hundred forty-two million, five hundred sixty-five thousand, three hundred sixty-two".