20346226 has 32 divisors (see below), whose sum is σ = 34200000. Its totient is φ = 9035712.

The previous prime is 20346211. The next prime is 20346247. The reversal of 20346226 is 62264302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20346226.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40525 + ... + 41023.

It is an arithmetic number, because the mean of its divisors is an integer number (1068750).

Almost surely, 2^20346226 is an apocalyptic number.

20346226 is a deficient number, since it is larger than the sum of its proper divisors (13853774).

20346226 is a wasteful number, since it uses less digits than its factorization.

20346226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 20346226 is about 4510.6791062987. The cubic root of 20346226 is about 272.9991457437. Note that the first 3 decimals are identical.

The spelling of 20346226 in words is "twenty million, three hundred forty-six thousand, two hundred twenty-six".