20275126 has 4 divisors (see below), whose sum is σ = 30412692. Its totient is φ = 10137562.

The previous prime is 20275117. The next prime is 20275127. The reversal of 20275126 is 62157202.

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

It is a super-2 number, since 2×20275126² = 822161468631752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20275126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20275127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5068780 + ... + 5068783.

It is an arithmetic number, because the mean of its divisors is an integer number (7603173).

Almost surely, 2^20275126 is an apocalyptic number.

20275126 is a deficient number, since it is larger than the sum of its proper divisors (10137566).

20275126 is a wasteful number, since it uses less digits than its factorization.

20275126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10137565.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 20275126 is about 4502.7909123121. The cubic root of 20275126 is about 272.6807755951.

The spelling of 20275126 in words is "twenty million, two hundred seventy-five thousand, one hundred twenty-six".