20203535204 has 24 divisors (see below), whose sum is σ = 36555502200. Its totient is φ = 9762771456.

The previous prime is 20203535123. The next prime is 20203535237. The reversal of 20203535204 is 40253530202.

It can be written as a sum of positive squares in 4 ways, for example, as 924768100 + 19278767104 = 30410^2 + 138848^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436037 + ... + 480140.

It is an arithmetic number, because the mean of its divisors is an integer number (1523145925).

Almost surely, 2^20203535204 is an apocalyptic number.

It is an amenable number.

20203535204 is a deficient number, since it is larger than the sum of its proper divisors (16351966996).

20203535204 is a wasteful number, since it uses less digits than its factorization.

20203535204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916367 (or 916365 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The spelling of 20203535204 in words is "twenty billion, two hundred three million, five hundred thirty-five thousand, two hundred four".