20026346 has 8 divisors (see below), whose sum is σ = 30058560. Its totient is φ = 10006828.

The previous prime is 20026339. The next prime is 20026373. The reversal of 20026346 is 64362002.

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

It is a super-2 number, since 2×20026346² = 802109068223432, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4175 + ... + 7581.

It is an arithmetic number, because the mean of its divisors is an integer number (3757320).

Almost surely, 2^20026346 is an apocalyptic number.

20026346 is a deficient number, since it is larger than the sum of its proper divisors (10032214).

20026346 is a wasteful number, since it uses less digits than its factorization.

20026346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20026346 is about 4475.0805579341. The cubic root of 20026346 is about 271.5608994389.

Adding to 20026346 its reverse (64362002), we get a palindrome (84388348).

The spelling of 20026346 in words is "twenty million, twenty-six thousand, three hundred forty-six".