1920299802 has 8 divisors (see below), whose sum is σ = 3840599616. Its totient is φ = 640099932.

The previous prime is 1920299791. The next prime is 1920299893. The reversal of 1920299802 is 2089920291.

It is a happy number.

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

1920299802 is an admirable number.

It is a super-2 number, since 2×1920299802² = 7375102659122478408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160024978 + ... + 160024989.

It is an arithmetic number, because the mean of its divisors is an integer number (480074952).

Almost surely, 2^1920299802 is an apocalyptic number.

1920299802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1920299802 is a wasteful number, since it uses less digits than its factorization.

1920299802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320049972.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1920299802 is about 43821.2254735077. The cubic root of 1920299802 is about 1242.9576903008.

The spelling of 1920299802 in words is "one billion, nine hundred twenty million, two hundred ninety-nine thousand, eight hundred two".