20061826 has 4 divisors (see below), whose sum is σ = 30092742. Its totient is φ = 10030912.

The previous prime is 20061799. The next prime is 20061827. The reversal of 20061826 is 62816002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10233601 + 9828225 = 3199^2 + 3135^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20061826.

It is not an unprimeable number, because it can be changed into a prime (20061827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015455 + ... + 5015458.

Almost surely, 2^20061826 is an apocalyptic number.

20061826 is a deficient number, since it is larger than the sum of its proper divisors (10030916).

20061826 is a wasteful number, since it uses less digits than its factorization.

20061826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10030915.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 20061826 is about 4479.0429781372. The cubic root of 20061826 is about 271.7211765778.

Adding to 20061826 its reverse (62816002), we get a palindrome (82877828).

It can be divided in two parts, 200 and 61826, that added together give a palindrome (62026).

The spelling of 20061826 in words is "twenty million, sixty-one thousand, eight hundred twenty-six".