2002120537 has 8 divisors (see below), whose sum is σ = 2098543104. Its totient is φ = 1906479168.

The previous prime is 2002120513. The next prime is 2002120541. The reversal of 2002120537 is 7350212002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002120537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002120507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190048 + ... + 200305.

It is an arithmetic number, because the mean of its divisors is an integer number (262317888).

Almost surely, 2^2002120537 is an apocalyptic number.

It is an amenable number.

2002120537 is a deficient number, since it is larger than the sum of its proper divisors (96422567).

2002120537 is a wasteful number, since it uses less digits than its factorization.

2002120537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390599.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2002120537 is about 44745.0615934317. The cubic root of 2002120537 is about 1260.3661774809.

Adding to 2002120537 its reverse (7350212002), we get a palindrome (9352332539).

The spelling of 2002120537 in words is "two billion, two million, one hundred twenty thousand, five hundred thirty-seven".