1820000202 has 16 divisors (see below), whose sum is σ = 3641136960. Its totient is φ = 606477312.

The previous prime is 1820000159. The next prime is 1820000213. The reversal of 1820000202 is 2020000281.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25783 + ... + 65610.

It is an arithmetic number, because the mean of its divisors is an integer number (227571060).

Almost surely, 2^1820000202 is an apocalyptic number.

1820000202 is an abundant number, since it is smaller than the sum of its proper divisors (1821136758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1820000202 is a wasteful number, since it uses less digits than its factorization.

1820000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94717.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1820000202 is about 42661.4603828795. The cubic root of 1820000202 is about 1220.9291949167.

Adding to 1820000202 its reverse (2020000281), we get a palindrome (3840000483).

The spelling of 1820000202 in words is "one billion, eight hundred twenty million, two hundred two", and thus it is an aban number.