1020203224403 has 32 divisors (see below), whose sum is σ = 1162136279232. Its totient is φ = 887315558400.

The previous prime is 1020203224333. The next prime is 1020203224427. The reversal of 1020203224403 is 3044223020201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020203224403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020203224303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130908875 + ... + 130916667.

It is an arithmetic number, because the mean of its divisors is an integer number (36316758726).

Almost surely, 2^{1020203224403} is an apocalyptic number.

1020203224403 is a deficient number, since it is larger than the sum of its proper divisors (141933054829).

1020203224403 is a wasteful number, since it uses less digits than its factorization.

1020203224403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13175.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 1020203224403 its reverse (3044223020201), we get a palindrome (4064426244604).

The spelling of 1020203224403 in words is "one trillion, twenty billion, two hundred three million, two hundred twenty-four thousand, four hundred three".