200507643124 has 6 divisors (see below), whose sum is σ = 350888375474. Its totient is φ = 100253821560.

The previous prime is 200507643059. The next prime is 200507643157. The reversal of 200507643124 is 421346705002.

It can be written as a sum of positive squares in only one way, i.e., 130530464100 + 69977179024 = 361290^2 + 264532^2 .

It is a super-2 number, since 2×200507643124² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200507643124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25063455387 + ... + 25063455394.

Almost surely, 2^200507643124 is an apocalyptic number.

It is an amenable number.

200507643124 is a deficient number, since it is larger than the sum of its proper divisors (150380732350).

200507643124 is a wasteful number, since it uses less digits than its factorization.

200507643124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50126910785 (or 50126910783 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 200507643124 in words is "two hundred billion, five hundred seven million, six hundred forty-three thousand, one hundred twenty-four".