2002120052 has 6 divisors (see below), whose sum is σ = 3503710098. Its totient is φ = 1001060024.

The previous prime is 2002120051. The next prime is 2002120069. The reversal of 2002120052 is 2500212002.

It can be written as a sum of positive squares in only one way, i.e., 1751087716 + 251032336 = 41846^2 + 15844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002120051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250265003 + ... + 250265010.

It is an arithmetic number, because the mean of its divisors is an integer number (583951683).

Almost surely, 2^2002120052 is an apocalyptic number.

It is an amenable number.

2002120052 is a deficient number, since it is larger than the sum of its proper divisors (1501590046).

2002120052 is a wasteful number, since it uses less digits than its factorization.

2002120052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500530017 (or 500530015 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2002120052 is about 44745.0561738389. The cubic root of 2002120052 is about 1260.3660757092.

Adding to 2002120052 its reverse (2500212002), we get a palindrome (4502332054).

The spelling of 2002120052 in words is "two billion, two million, one hundred twenty thousand, fifty-two".