200124240 has 80 divisors (see below), whose sum is σ = 626263488. Its totient is φ = 52860928.

The previous prime is 200124229. The next prime is 200124259. The reversal of 200124240 is 42421002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×200124240² = 80099422871155200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21784 + ... + 29576.

Almost surely, 2^200124240 is an apocalyptic number.

200124240 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 200124240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313131744).

200124240 is an abundant number, since it is smaller than the sum of its proper divisors (426139248).

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

200124240 is a wasteful number, since it uses less digits than its factorization.

200124240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916 (or 7910 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 200124240 is about 14146.5274891049. The cubic root of 200124240 is about 584.9246158981.

Adding to 200124240 its reverse (42421002), we get a palindrome (242545242).

The spelling of 200124240 in words is "two hundred million, one hundred twenty-four thousand, two hundred forty".