1002020210 has 16 divisors (see below), whose sum is σ = 1804018176. Its totient is φ = 400723248.

The previous prime is 1002020191. The next prime is 1002020249. The reversal of 1002020210 is 120202001.

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 in 7 ways as a sum of consecutive naturals, for example, 63977 + ... + 78083.

It is an arithmetic number, because the mean of its divisors is an integer number (112751136).

Almost surely, 2^1002020210 is an apocalyptic number.

1002020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002020210 is a deficient number, since it is larger than the sum of its proper divisors (801997966).

1002020210 is a wasteful number, since it uses less digits than its factorization.

1002020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21217.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1002020210 is about 31654.7028101671. The cubic root of 1002020210 is about 1000.6729503695.

Adding to 1002020210 its reverse (120202001), we get a palindrome (1122222211).

The spelling of 1002020210 in words is "one billion, two million, twenty thousand, two hundred ten".