20026473 has 16 divisors (see below), whose sum is σ = 27288576. Its totient is φ = 13060880.

The previous prime is 20026471. The next prime is 20026481. The reversal of 20026473 is 37462002.

It is a cyclic number.

It is not a de Polignac number, because 20026473 - 2¹ = 20026471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20026471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35290 + ... + 35852.

It is an arithmetic number, because the mean of its divisors is an integer number (1705536).

Almost surely, 2^20026473 is an apocalyptic number.

It is an amenable number.

20026473 is a deficient number, since it is larger than the sum of its proper divisors (7262103).

20026473 is a wasteful number, since it uses less digits than its factorization.

20026473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20026473 is about 4475.0947476003. The cubic root of 20026473 is about 271.5614734854.

Adding to 20026473 its reverse (37462002), we get a palindrome (57488475).

The spelling of 20026473 in words is "twenty million, twenty-six thousand, four hundred seventy-three".