20034775 has 12 divisors (see below), whose sum is σ = 25422232. Its totient is φ = 15654240.

The previous prime is 20034769. The next prime is 20034799. The reversal of 20034775 is 57743002.

It is not a de Polignac number, because 20034775 - 2⁷ = 20034647 is a prime.

It is a Duffinian number.

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, 8244 + ... + 10393.

Almost surely, 2^20034775 is an apocalyptic number.

20034775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20034775 is a deficient number, since it is larger than the sum of its proper divisors (5387457).

20034775 is a wasteful number, since it uses less digits than its factorization.

20034775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18690 (or 18685 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 20034775 is about 4476.0222296141. The cubic root of 20034775 is about 271.5989936866.

Adding to 20034775 its reverse (57743002), we get a palindrome (77777777).

The spelling of 20034775 in words is "twenty million, thirty-four thousand, seven hundred seventy-five".