2000550121 has 2 divisors, whose sum is σ = 2000550122. Its totient is φ = 2000550120.

The previous prime is 2000550113. The next prime is 2000550131. The reversal of 2000550121 is 1210550002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1996302400 + 4247721 = 44680^2 + 2061^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000550121 - 2³ = 2000550113 is a prime.

It is a super-2 number, since 2×2000550121² = 8004401573266229282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2000550095 and 2000550104.

It is not a weakly prime, because it can be changed into another prime (2000550131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000275060 + 1000275061.

It is an arithmetic number, because the mean of its divisors is an integer number (1000275061).

Almost surely, 2^2000550121 is an apocalyptic number.

It is an amenable number.

2000550121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000550121 is an equidigital number, since it uses as much as digits as its factorization.

2000550121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2000550121 is about 44727.5096668706. The cubic root of 2000550121 is about 1260.0365574763.

The spelling of 2000550121 in words is "two billion, five hundred fifty thousand, one hundred twenty-one".