20010413203 has 16 divisors (see below), whose sum is σ = 22060200960. Its totient is φ = 17999308000.

The previous prime is 20010413191. The next prime is 20010413209. The reversal of 20010413203 is 30231401002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20010413203 - 2²¹ = 20008316051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010413209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1980318 + ... + 1990396.

It is an arithmetic number, because the mean of its divisors is an integer number (1378762560).

Almost surely, 2^20010413203 is an apocalyptic number.

20010413203 is a deficient number, since it is larger than the sum of its proper divisors (2049787757).

20010413203 is a wasteful number, since it uses less digits than its factorization.

20010413203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11978.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20010413203 its reverse (30231401002), we get a palindrome (50241814205).

The spelling of 20010413203 in words is "twenty billion, ten million, four hundred thirteen thousand, two hundred three".