1020333013203 has 64 divisors (see below), whose sum is σ = 1700522496000. Its totient is φ = 530963040384.

The previous prime is 1020333013169. The next prime is 1020333013213. The reversal of 1020333013203 is 3023103330201.

1020333013203 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1020333013203 - 2⁹ = 1020333012691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1020333013203.

It is not an unprimeable number, because it can be changed into a prime (1020333013213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2432388 + ... + 2820846.

It is an arithmetic number, because the mean of its divisors is an integer number (26570664000).

Almost surely, 2^{1020333013203} is an apocalyptic number.

1020333013203 is a deficient number, since it is larger than the sum of its proper divisors (680189482797).

1020333013203 is a wasteful number, since it uses less digits than its factorization.

1020333013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388744.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 1020333013203 its reverse (3023103330201), we get a palindrome (4043436343404).

The spelling of 1020333013203 in words is "one trillion, twenty billion, three hundred thirty-three million, thirteen thousand, two hundred three".