20754234 has 24 divisors (see below), whose sum is σ = 46923552. Its totient is φ = 6617160.

The previous prime is 20754203. The next prime is 20754247. The reversal of 20754234 is 43245702.

It is a junction number, because it is equal to n+sod(n) for n = 20754198 and 20754207.

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, 24652 + ... + 25479.

It is an arithmetic number, because the mean of its divisors is an integer number (1955148).

Almost surely, 2^20754234 is an apocalyptic number.

20754234 is an abundant number, since it is smaller than the sum of its proper divisors (26169318).

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

20754234 is a wasteful number, since it uses less digits than its factorization.

20754234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50162 (or 50159 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 20754234 is about 4555.6815077439. The cubic root of 20754234 is about 274.8119220878.

Adding to 20754234 its reverse (43245702), we get a palindrome (63999936).

The spelling of 20754234 in words is "twenty million, seven hundred fifty-four thousand, two hundred thirty-four".