20035204203 has 16 divisors (see below), whose sum is σ = 30533651456. Its totient is φ = 11447256960.

The previous prime is 20035204171. The next prime is 20035204223. The reversal of 20035204203 is 30240253002.

It is not a de Polignac number, because 20035204203 - 2⁵ = 20035204171 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 20035204203.

It is not an unprimeable number, because it can be changed into a prime (20035204223) 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, 125763 + ... + 236403.

It is an arithmetic number, because the mean of its divisors is an integer number (1908353216).

Almost surely, 2^20035204203 is an apocalyptic number.

20035204203 is a deficient number, since it is larger than the sum of its proper divisors (10498447253).

20035204203 is a wasteful number, since it uses less digits than its factorization.

20035204203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119274.

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 20035204203 its reverse (30240253002), we get a palindrome (50275457205).

The spelling of 20035204203 in words is "twenty billion, thirty-five million, two hundred four thousand, two hundred three".