1020013000203 has 8 divisors (see below), whose sum is σ = 1375298427600. Its totient is φ = 672368119808.

The previous prime is 1020013000187. The next prime is 1020013000207. The reversal of 1020013000203 is 3020003100201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020013000203 - 2⁴ = 1020013000187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020013000207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910136438 + ... + 1910136971.

It is an arithmetic number, because the mean of its divisors is an integer number (171912303450).

Almost surely, 2^{1020013000203} is an apocalyptic number.

1020013000203 is a deficient number, since it is larger than the sum of its proper divisors (355285427397).

1020013000203 is an equidigital number, since it uses as much as digits as its factorization.

1020013000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820273501.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1020013000203 its reverse (3020003100201), we get a palindrome (4040016100404).

The spelling of 1020013000203 in words is "one trillion, twenty billion, thirteen million, two hundred three", and thus it is an aban number.