201513200250 has 32 divisors (see below), whose sum is σ = 502976949696. Its totient is φ = 53736853200.

The previous prime is 201513200243. The next prime is 201513200257. The reversal of 201513200250 is 52002315102.

It is an interprime number because it is at equal distance from previous prime (201513200243) and next prime (201513200257).

It is not an unprimeable number, because it can be changed into a prime (201513200257) 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, 134341384 + ... + 134342883.

It is an arithmetic number, because the mean of its divisors is an integer number (15718029678).

Almost surely, 2^201513200250 is an apocalyptic number.

201513200250 is an abundant number, since it is smaller than the sum of its proper divisors (301463749446).

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

201513200250 is a wasteful number, since it uses less digits than its factorization.

201513200250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268684287 (or 268684277 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 201513200250 its reverse (52002315102), we get a palindrome (253515515352).

The spelling of 201513200250 in words is "two hundred one billion, five hundred thirteen million, two hundred thousand, two hundred fifty".