20200503853 has 4 divisors (see below), whose sum is σ = 20201037120. Its totient is φ = 20199970588.

The previous prime is 20200503823. The next prime is 20200503857. The reversal of 20200503853 is 35830500202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20200503853 - 2²⁹ = 19663632941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200503857) 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, 205075 + ... + 287152.

It is an arithmetic number, because the mean of its divisors is an integer number (5050259280).

Almost surely, 2^20200503853 is an apocalyptic number.

It is an amenable number.

20200503853 is a deficient number, since it is larger than the sum of its proper divisors (533267).

20200503853 is an equidigital number, since it uses as much as digits as its factorization.

20200503853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533266.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 20200503853 in words is "twenty billion, two hundred million, five hundred three thousand, eight hundred fifty-three".