1120020002 has 4 divisors (see below), whose sum is σ = 1680030006. Its totient is φ = 560010000.

The previous prime is 1120019977. The next prime is 1120020023. The reversal of 1120020002 is 2000200211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2000200211 = 41 ⋅48785371.

It can be written as a sum of positive squares in only one way, i.e., 954871801 + 165148201 = 30901^2 + 12851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280004999 + ... + 280005002.

Almost surely, 2^1120020002 is an apocalyptic number.

1120020002 is a deficient number, since it is larger than the sum of its proper divisors (560010004).

1120020002 is an equidigital number, since it uses as much as digits as its factorization.

1120020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560010003.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1120020002 is about 33466.6998970619. The cubic root of 1120020002 is about 1038.5050024922.

Adding to 1120020002 its reverse (2000200211), we get a palindrome (3120220213).

The spelling of 1120020002 in words is "one billion, one hundred twenty million, twenty thousand, two".