20026834 has 8 divisors (see below), whose sum is σ = 30079728. Its totient is φ = 10000260.

The previous prime is 20026829. The next prime is 20026847. The reversal of 20026834 is 43862002.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20026799 and 20026808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4552 + ... + 7795.

It is an arithmetic number, because the mean of its divisors is an integer number (3759966).

Almost surely, 2^20026834 is an apocalyptic number.

20026834 is a deficient number, since it is larger than the sum of its proper divisors (10052894).

20026834 is a wasteful number, since it uses less digits than its factorization.

20026834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13160.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20026834 is about 4475.1350817601. The cubic root of 20026834 is about 271.5631052107.

Adding to 20026834 its reverse (43862002), we get a palindrome (63888836).

It can be divided in two parts, 2002 and 6834, that added together give a square (8836 = 94²).

The spelling of 20026834 in words is "twenty million, twenty-six thousand, eight hundred thirty-four".