2020405534 has 12 divisors (see below), whose sum is σ = 3525401664. Its totient is φ = 865888044.

The previous prime is 2020405529. The next prime is 2020405547. The reversal of 2020405534 is 4355040202.

It is a junction number, because it is equal to n+sod(n) for n = 2020405499 and 2020405508.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10308094 + ... + 10308289.

It is an arithmetic number, because the mean of its divisors is an integer number (293783472).

Almost surely, 2^2020405534 is an apocalyptic number.

2020405534 is a deficient number, since it is larger than the sum of its proper divisors (1504996130).

2020405534 is a wasteful number, since it uses less digits than its factorization.

2020405534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20616399 (or 20616392 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2020405534 is about 44948.9213886162. The cubic root of 2020405534 is about 1264.1914529840.

Adding to 2020405534 its reverse (4355040202), we get a palindrome (6375445736).

The spelling of 2020405534 in words is "two billion, twenty million, four hundred five thousand, five hundred thirty-four".