20002826 has 8 divisors (see below), whose sum is σ = 30702144. Its totient is φ = 9768780.

The previous prime is 20002823. The next prime is 20002831. The reversal of 20002826 is 62820002.

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

It is a super-2 number, since 2×20002826² = 800226095972552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20002798 and 20002807.

It is not an unprimeable number, because it can be changed into a prime (20002823) 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, 116210 + ... + 116381.

It is an arithmetic number, because the mean of its divisors is an integer number (3837768).

Almost surely, 2^20002826 is an apocalyptic number.

20002826 is a deficient number, since it is larger than the sum of its proper divisors (10699318).

20002826 is a wasteful number, since it uses less digits than its factorization.

20002826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232636.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20002826 is about 4472.4519002444. The cubic root of 20002826 is about 271.4545459643.

Adding to 20002826 its reverse (62820002), we get a palindrome (82822828).

The spelling of 20002826 in words is "twenty million, two thousand, eight hundred twenty-six".