20522835 has 32 divisors (see below), whose sum is σ = 36682560. Its totient is φ = 10886400.

The previous prime is 20522783. The next prime is 20522849. The reversal of 20522835 is 53822502.

It is not a de Polignac number, because 20522835 - 2¹⁰ = 20521811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20522799 and 20522808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37665 + ... + 38205.

It is an arithmetic number, because the mean of its divisors is an integer number (1146330).

Almost surely, 2^20522835 is an apocalyptic number.

20522835 is a deficient number, since it is larger than the sum of its proper divisors (16159725).

20522835 is a wasteful number, since it uses less digits than its factorization.

20522835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 20522835 is about 4530.2135711244. The cubic root of 20522835 is about 273.7867655631.

The spelling of 20522835 in words is "twenty million, five hundred twenty-two thousand, eight hundred thirty-five".