20034951 has 4 divisors (see below), whose sum is σ = 26713272. Its totient is φ = 13356632.

The previous prime is 20034941. The next prime is 20034977. The reversal of 20034951 is 15943002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20034951 - 2⁶ = 20034887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034941) 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 3 ways as a sum of consecutive naturals, for example, 3339156 + ... + 3339161.

It is an arithmetic number, because the mean of its divisors is an integer number (6678318).

Almost surely, 2^20034951 is an apocalyptic number.

20034951 is a deficient number, since it is larger than the sum of its proper divisors (6678321).

20034951 is an equidigital number, since it uses as much as digits as its factorization.

20034951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6678320.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 20034951 is about 4476.0418898844. The cubic root of 20034951 is about 271.5997889918.

Adding to 20034951 its reverse (15943002), we get a palindrome (35977953).

The spelling of 20034951 in words is "twenty million, thirty-four thousand, nine hundred fifty-one".