20883226 has 16 divisors (see below), whose sum is σ = 38553984. Its totient is φ = 8261424.

The previous prime is 20883217. The next prime is 20883229. The reversal of 20883226 is 62238802.

It is a super-2 number, since 2×20883226² = 872218256334152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20883229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57190 + ... + 57553.

It is an arithmetic number, because the mean of its divisors is an integer number (2409624).

Almost surely, 2^20883226 is an apocalyptic number.

20883226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20883226 is a deficient number, since it is larger than the sum of its proper divisors (17670758).

20883226 is a wasteful number, since it uses less digits than its factorization.

20883226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114765.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 20883226 is about 4569.8168453451. The cubic root of 20883226 is about 275.3800849007.

The spelling of 20883226 in words is "twenty million, eight hundred eighty-three thousand, two hundred twenty-six".