2000155201 has 16 divisors (see below), whose sum is σ = 2273754240.
Its totient is φ = 1742769280.
The previous prime is 2000155163. The next prime is 2000155219. The reversal of 2000155201 is 1025510002.
Adding to 2000155201 its reverse (1025510002), we get a palindrome (3025665203).
It is a cyclic number.
It is not a de Polignac number, because 2000155201 - 217 = 2000024129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2000155501) 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, 20820 + ... + 66586.
It is an arithmetic number, because the mean of its divisors is an integer number (142109640).
Almost surely, 22000155201 is an apocalyptic number.
It is an amenable number.
2000155201 is a deficient number, since it is larger than the sum of its proper divisors (273599039).
2000155201 is a wasteful number, since it uses less digits than its factorization.
2000155201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45944.
The product of its (nonzero) digits is 100, while the sum is 16.
The square root of 2000155201 is about 44723.0947162649.
The cubic root of 2000155201 is about 1259.9536392197.
The spelling of 2000155201 in words is "two billion, one hundred fifty-five thousand, two hundred one".