20610226 has 48 divisors (see below), whose sum is σ = 39633408. Its totient is φ = 7862400.

The previous prime is 20610217. The next prime is 20610241. The reversal of 20610226 is 62201602.

20610226 = T₂₄₄ + T₂₄₅ + ... + T₅₁₆.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73206 + ... + 73486.

It is an arithmetic number, because the mean of its divisors is an integer number (825696).

Almost surely, 2^20610226 is an apocalyptic number.

20610226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20610226 is a deficient number, since it is larger than the sum of its proper divisors (19023182).

20610226 is a wasteful number, since it uses less digits than its factorization.

20610226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20610226 is about 4539.8486758922. The cubic root of 20610226 is about 274.1748311465.

Adding to 20610226 its reverse (62201602), we get a palindrome (82811828).

The spelling of 20610226 in words is "twenty million, six hundred ten thousand, two hundred twenty-six".