20126633 has 8 divisors (see below), whose sum is σ = 21094656. Its totient is φ = 19166400.

The previous prime is 20126597. The next prime is 20126663. The reversal of 20126633 is 33662102.

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

It is a cyclic number.

It is not a de Polignac number, because 20126633 - 2⁶ = 20126569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20126599 and 20126608.

It is not an unprimeable number, because it can be changed into a prime (20126663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3728 + ... + 7358.

It is an arithmetic number, because the mean of its divisors is an integer number (2636832).

Almost surely, 2^20126633 is an apocalyptic number.

20126633 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20126633 is a deficient number, since it is larger than the sum of its proper divisors (968023).

20126633 is a wasteful number, since it uses less digits than its factorization.

20126633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 20126633 is about 4486.2716146038. The cubic root of 20126633 is about 272.0134481889.

Adding to 20126633 its reverse (33662102), we get a palindrome (53788735).

The spelling of 20126633 in words is "twenty million, one hundred twenty-six thousand, six hundred thirty-three".