20753254 has 4 divisors (see below), whose sum is σ = 31129884. Its totient is φ = 10376626.

The previous prime is 20753251. The next prime is 20753267. The reversal of 20753254 is 45235702.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20753251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5188312 + ... + 5188315.

It is an arithmetic number, because the mean of its divisors is an integer number (7782471).

Almost surely, 2^20753254 is an apocalyptic number.

20753254 is a deficient number, since it is larger than the sum of its proper divisors (10376630).

20753254 is a wasteful number, since it uses less digits than its factorization.

20753254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10376629.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 20753254 is about 4555.5739484724. The cubic root of 20753254 is about 274.8075965460.

Adding to 20753254 its reverse (45235702), we get a palindrome (65988956).

It can be divided in two parts, 2075 and 3254, that added together give a square (5329 = 73²).

The spelling of 20753254 in words is "twenty million, seven hundred fifty-three thousand, two hundred fifty-four".