20201002853850 has 288 divisors, whose sum is σ = 68952760740864. Its totient is φ = 4124699366400.

The previous prime is 20201002853831. The next prime is 20201002853851. The reversal of 20201002853850 is 5835820010202.

20201002853850 is a `hidden beast` number, since 20 + 20 + 10 + 0 + 28 + 538 + 50 = 666.

It is not an unprimeable number, because it can be changed into a prime (20201002853851) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6687147 + ... + 9226046.

It is an arithmetic number, because the mean of its divisors is an integer number (239419308128).

Almost surely, 2^{20201002853850} is an apocalyptic number.

20201002853850 is an abundant number, since it is smaller than the sum of its proper divisors (48751757887014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201002853850 is a wasteful number, since it uses less digits than its factorization.

20201002853850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15913262 (or 15913254 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 20201002853850 in words is "twenty trillion, two hundred one billion, two million, eight hundred fifty-three thousand, eight hundred fifty".