250200215120 has 20 divisors (see below), whose sum is σ = 581715500340. Its totient is φ = 100080086016.

The previous prime is 250200215093. The next prime is 250200215137. The reversal of 250200215120 is 21512002052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100851975184 + 149348239936 = 317572^2 + 386456^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×250200215120² (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 250200215092 and 250200215101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563751265 + ... + 1563751424.

It is an arithmetic number, because the mean of its divisors is an integer number (29085775017).

Almost surely, 2^250200215120 is an apocalyptic number.

250200215120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250200215120 is an abundant number, since it is smaller than the sum of its proper divisors (331515285220).

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

250200215120 is a wasteful number, since it uses less digits than its factorization.

250200215120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127502702 (or 3127502696 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 250200215120 its reverse (21512002052), we get a palindrome (271712217172).

The spelling of 250200215120 in words is "two hundred fifty billion, two hundred million, two hundred fifteen thousand, one hundred twenty".