20203011020103 has 8 divisors (see below), whose sum is σ = 26937540350448. Its totient is φ = 13468577851584.

The previous prime is 20203011019973. The next prime is 20203011020107. The reversal of 20203011020103 is 30102011030202.

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

It is not a de Polignac number, because 20203011020103 - 2²⁰ = 20203009971527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203011020107) 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, 23548800 + ... + 24391637.

It is an arithmetic number, because the mean of its divisors is an integer number (3367192543806).

Almost surely, 2^{20203011020103} is an apocalyptic number.

20203011020103 is a deficient number, since it is larger than the sum of its proper divisors (6734529330345).

20203011020103 is a wasteful number, since it uses less digits than its factorization.

20203011020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48080913.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20203011020103 its reverse (30102011030202), we get a palindrome (50305022050305).

The spelling of 20203011020103 in words is "twenty trillion, two hundred three billion, eleven million, twenty thousand, one hundred three".