1002020193 has 16 divisors (see below), whose sum is σ = 1485542400. Its totient is φ = 667532880.

The previous prime is 1002020191. The next prime is 1002020249. The reversal of 1002020193 is 3910202001.

It is a happy number.

It is not a de Polignac number, because 1002020193 - 2¹ = 1002020191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002020191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27103 + ... + 52331.

It is an arithmetic number, because the mean of its divisors is an integer number (92846400).

Almost surely, 2^1002020193 is an apocalyptic number.

It is an amenable number.

1002020193 is a deficient number, since it is larger than the sum of its proper divisors (483522207).

1002020193 is a wasteful number, since it uses less digits than its factorization.

1002020193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26709 (or 26703 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1002020193 is about 31654.7025416446. The cubic root of 1002020193 is about 1000.6729447105.

Adding to 1002020193 its reverse (3910202001), we get a palindrome (4912222194).

The spelling of 1002020193 in words is "one billion, two million, twenty thousand, one hundred ninety-three".