2020511853 has 12 divisors (see below), whose sum is σ = 2923708320. Its totient is φ = 1344611976.

The previous prime is 2020511837. The next prime is 2020511879. The reversal of 2020511853 is 3581150202.

It is a happy number.

It is not a de Polignac number, because 2020511853 - 2⁴ = 2020511837 is a prime.

It is a super-2 number, since 2×2020511853² = 8164936296226987218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020511833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194313 + ... + 204446.

It is an arithmetic number, because the mean of its divisors is an integer number (243642360).

Almost surely, 2^2020511853 is an apocalyptic number.

It is an amenable number.

2020511853 is a deficient number, since it is larger than the sum of its proper divisors (903196467).

2020511853 is a wasteful number, since it uses less digits than its factorization.

2020511853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399328 (or 399325 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2020511853 is about 44950.1040376994. The cubic root of 2020511853 is about 1264.2136276104.

The spelling of 2020511853 in words is "two billion, twenty million, five hundred eleven thousand, eight hundred fifty-three".