20026662 has 8 divisors (see below), whose sum is σ = 40053336. Its totient is φ = 6675552.

The previous prime is 20026639. The next prime is 20026673. The reversal of 20026662 is 26662002.

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

20026662 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1668883 + ... + 1668894.

It is an arithmetic number, because the mean of its divisors is an integer number (5006667).

Almost surely, 2^20026662 is an apocalyptic number.

20026662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20026662 is a wasteful number, since it uses less digits than its factorization.

20026662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337782.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20026662 is about 4475.1158644218. The cubic root of 20026662 is about 271.5623277706.

Adding to 20026662 its reverse (26662002), we get a palindrome (46688664).

It can be divided in two parts, 200 and 26662, that added together give a palindrome (26862).

The spelling of 20026662 in words is "twenty million, twenty-six thousand, six hundred sixty-two".