20202020002003 has 4 divisors (see below), whose sum is σ = 23088022859440. Its totient is φ = 17316017144568.

The previous prime is 20202020001923. The next prime is 20202020002019. The reversal of 20202020002003 is 30020002020202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202020002003 is a prime.

It is a super-2 number, since 2×20202020002003² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20202021002003) 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, 1443001428708 + ... + 1443001428721.

It is an arithmetic number, because the mean of its divisors is an integer number (5772005714860).

Almost surely, 2^{20202020002003} is an apocalyptic number.

20202020002003 is a deficient number, since it is larger than the sum of its proper divisors (2886002857437).

20202020002003 is an equidigital number, since it uses as much as digits as its factorization.

20202020002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886002857436.

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 20202020002003 its reverse (30020002020202), we get a palindrome (50222022022205).

The spelling of 20202020002003 in words is "twenty trillion, two hundred two billion, twenty million, two thousand, three".