20103226 has 24 divisors (see below), whose sum is σ = 35627904. Its totient is φ = 8433360.

The previous prime is 20103203. The next prime is 20103241. The reversal of 20103226 is 62230102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1015 + ... + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (1484496).

Almost surely, 2^20103226 is an apocalyptic number.

20103226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20103226 is a deficient number, since it is larger than the sum of its proper divisors (15524678).

20103226 is a wasteful number, since it uses less digits than its factorization.

20103226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446 (or 5433 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20103226 is about 4483.6621192949. The cubic root of 20103226 is about 271.9079579722.

Adding to 20103226 its reverse (62230102), we get a palindrome (82333328).

The spelling of 20103226 in words is "twenty million, one hundred three thousand, two hundred twenty-six".