200980155502009 has 9 divisors (see below), whose sum is σ = 217629598718223. Its totient is φ = 185519973419352.

The previous prime is 200980155502003. The next prime is 200980155502019. The reversal of 200980155502009 is 900205551089002.

It is a happy number.

The square root of 200980155502009 is 14176747.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 29730792234025 + 171249363267984 = 5452595^2 + 13086228^2 .

It is not a de Polignac number, because 200980155502009 - 2²³ = 200980147113401 is a prime.

It is a super-2 number, since 2×200980155502009² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200980155502009.

It is not an unprimeable number, because it can be changed into a prime (200980155502003) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 183752452 + ... + 184842970.

It is an arithmetic number, because the mean of its divisors is an integer number (24181066524247).

Almost surely, 2^{200980155502009} is an apocalyptic number.

200980155502009 is the 14176747-th square number.

200980155502009 is the 7088374-th centered octagonal number.

It is an amenable number.

200980155502009 is a deficient number, since it is larger than the sum of its proper divisors (16649443216214).

200980155502009 is an frugal number, since it uses more digits than its factorization.

200980155502009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181064 (or 1090532 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 46.

The spelling of 200980155502009 in words is "two hundred trillion, nine hundred eighty billion, one hundred fifty-five million, five hundred two thousand, nine".