2021802002 has 8 divisors (see below), whose sum is σ = 3308403312. Its totient is φ = 919000900.

The previous prime is 2021801917. The next prime is 2021802017. The reversal of 2021802002 is 2002081202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45950024 + ... + 45950067.

It is an arithmetic number, because the mean of its divisors is an integer number (413550414).

Almost surely, 2^2021802002 is an apocalyptic number.

2021802002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2021802002 is a deficient number, since it is larger than the sum of its proper divisors (1286601310).

2021802002 is a wasteful number, since it uses less digits than its factorization.

2021802002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91900104.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2021802002 is about 44964.4526487313. The cubic root of 2021802002 is about 1264.4826480433.

Adding to 2021802002 its reverse (2002081202), we get a palindrome (4023883204).

The spelling of 2021802002 in words is "two billion, twenty-one million, eight hundred two thousand, two".