20254034 has 4 divisors (see below), whose sum is σ = 30381054. Its totient is φ = 10127016.

The previous prime is 20254009. The next prime is 20254049. The reversal of 20254034 is 43045202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43045202 = 2 ⋅21522601.

It can be written as a sum of positive squares in only one way, i.e., 17181025 + 3073009 = 4145^2 + 1753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20253997 and 20254015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5063507 + ... + 5063510.

Almost surely, 2^20254034 is an apocalyptic number.

20254034 is a deficient number, since it is larger than the sum of its proper divisors (10127020).

20254034 is a wasteful number, since it uses less digits than its factorization.

20254034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127019.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20254034 is about 4500.4481999019. The cubic root of 20254034 is about 272.5861871415.

Adding to 20254034 its reverse (43045202), we get a palindrome (63299236).

The spelling of 20254034 in words is "twenty million, two hundred fifty-four thousand, thirty-four".