1002202020203 has 4 divisors (see below), whose sum is σ = 1011932137008. Its totient is φ = 992471903400.

The previous prime is 1002202020191. The next prime is 1002202020241. The reversal of 1002202020203 is 3020202022001.

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 1002202020203 - 2²⁶ = 1002134911339 is a prime.

It is a super-2 number, since 2×1002202020203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002202020803) 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, 4865058248 + ... + 4865058453.

It is an arithmetic number, because the mean of its divisors is an integer number (252983034252).

Almost surely, 2^{1002202020203} is an apocalyptic number.

1002202020203 is a deficient number, since it is larger than the sum of its proper divisors (9730116805).

1002202020203 is an equidigital number, since it uses as much as digits as its factorization.

1002202020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730116804.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 1002202020203 its reverse (3020202022001), we get a palindrome (4022404042204).

The spelling of 1002202020203 in words is "one trillion, two billion, two hundred two million, twenty thousand, two hundred three".