20020413203 has 4 divisors (see below), whose sum is σ = 22880472240. Its totient is φ = 17160354168.

The previous prime is 20020413191. The next prime is 20020413253. The reversal of 20020413203 is 30231402002.

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

It is a cyclic number.

It is not a de Polignac number, because 20020413203 - 2¹⁰ = 20020412179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020413253) 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, 1430029508 + ... + 1430029521.

It is an arithmetic number, because the mean of its divisors is an integer number (5720118060).

Almost surely, 2^20020413203 is an apocalyptic number.

20020413203 is a deficient number, since it is larger than the sum of its proper divisors (2860059037).

20020413203 is an equidigital number, since it uses as much as digits as its factorization.

20020413203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860059036.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20020413203 its reverse (30231402002), we get a palindrome (50251815205).

The spelling of 20020413203 in words is "twenty billion, twenty million, four hundred thirteen thousand, two hundred three".