20246126 has 4 divisors (see below), whose sum is σ = 30369192. Its totient is φ = 10123062.

The previous prime is 20246123. The next prime is 20246129. The reversal of 20246126 is 62164202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62164202 = 2 ⋅31082101.

It is an interprime number because it is at equal distance from previous prime (20246123) and next prime (20246129).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061530 + ... + 5061533.

It is an arithmetic number, because the mean of its divisors is an integer number (7592298).

Almost surely, 2^20246126 is an apocalyptic number.

20246126 is a deficient number, since it is larger than the sum of its proper divisors (10123066).

20246126 is a wasteful number, since it uses less digits than its factorization.

20246126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10123065.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20246126 is about 4499.5695349667. The cubic root of 20246126 is about 272.5507062726.

The spelling of 20246126 in words is "twenty million, two hundred forty-six thousand, one hundred twenty-six".