2010217642 has 4 divisors (see below), whose sum is σ = 3015326466. Its totient is φ = 1005108820.

The previous prime is 2010217639. The next prime is 2010217691. The reversal of 2010217642 is 2467120102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2005337961 + 4879681 = 44781^2 + 2209^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502554409 + ... + 502554412.

Almost surely, 2^2010217642 is an apocalyptic number.

2010217642 is a deficient number, since it is larger than the sum of its proper divisors (1005108824).

2010217642 is a wasteful number, since it uses less digits than its factorization.

2010217642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005108823.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2010217642 is about 44835.4507281905. The cubic root of 2010217642 is about 1262.0629768243.

Adding to 2010217642 its reverse (2467120102), we get a palindrome (4477337744).

The spelling of 2010217642 in words is "two billion, ten million, two hundred seventeen thousand, six hundred forty-two".