20084775 has 12 divisors (see below), whose sum is σ = 33206952. Its totient is φ = 10711840.

The previous prime is 20084761. The next prime is 20084783. The reversal of 20084775 is 57748002.

It is not a de Polignac number, because 20084775 - 2¹⁰ = 20083751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133824 + ... + 133973.

It is an arithmetic number, because the mean of its divisors is an integer number (2767246).

Almost surely, 2^20084775 is an apocalyptic number.

20084775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20084775 is a deficient number, since it is larger than the sum of its proper divisors (13122177).

20084775 is a wasteful number, since it uses less digits than its factorization.

20084775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267810 (or 267805 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 20084775 is about 4481.6040655105. The cubic root of 20084775 is about 271.8247456328.

The spelling of 20084775 in words is "twenty million, eighty-four thousand, seven hundred seventy-five".