20850795 has 48 divisors (see below), whose sum is σ = 42444480. Its totient is φ = 9268992.

The previous prime is 20850793. The next prime is 20850799. The reversal of 20850795 is 59705802.

20850795 = T₁₀₇₄ + T₁₀₇₅ + ... + T₁₁₀₈.

It is not a de Polignac number, because 20850795 - 2¹ = 20850793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20850793) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 10761 + ... + 12549.

It is an arithmetic number, because the mean of its divisors is an integer number (884260).

Almost surely, 2^20850795 is an apocalyptic number.

20850795 is an abundant number, since it is smaller than the sum of its proper divisors (21593685).

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

20850795 is a wasteful number, since it uses less digits than its factorization.

20850795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 20850795 is about 4566.2670749749. The cubic root of 20850795 is about 275.2374588103.

The spelling of 20850795 in words is "twenty million, eight hundred fifty thousand, seven hundred ninety-five".