20456126 has 8 divisors (see below), whose sum is σ = 31204440. Its totient is φ = 10054648.

The previous prime is 20456123. The next prime is 20456129. The reversal of 20456126 is 62165402.

It is an interprime number because it is at equal distance from previous prime (20456123) and next prime (20456129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20456095 and 20456104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20456123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86561 + ... + 86796.

It is an arithmetic number, because the mean of its divisors is an integer number (3900555).

Almost surely, 2^20456126 is an apocalyptic number.

20456126 is a deficient number, since it is larger than the sum of its proper divisors (10748314).

20456126 is a wasteful number, since it uses less digits than its factorization.

20456126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173418.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20456126 is about 4522.8449011656. The cubic root of 20456126 is about 273.4897977204.

The spelling of 20456126 in words is "twenty million, four hundred fifty-six thousand, one hundred twenty-six".