1002020107 has 4 divisors (see below), whose sum is σ = 1093112856. Its totient is φ = 910927360.

The previous prime is 1002020087. The next prime is 1002020177. The reversal of 1002020107 is 7010202001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002020107 - 2¹⁵ = 1001987339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002020177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45546358 + ... + 45546379.

It is an arithmetic number, because the mean of its divisors is an integer number (273278214).

Almost surely, 2^1002020107 is an apocalyptic number.

1002020107 is a deficient number, since it is larger than the sum of its proper divisors (91092749).

1002020107 is an equidigital number, since it uses as much as digits as its factorization.

1002020107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91092748.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 1002020107 is about 31654.7011832366. The cubic root of 1002020107 is about 1000.6729160824.

Adding to 1002020107 its reverse (7010202001), we get a palindrome (8012222108).

The spelling of 1002020107 in words is "one billion, two million, twenty thousand, one hundred seven".