20826274 has 20 divisors (see below), whose sum is σ = 36452214. Its totient is φ = 8923488.

The previous prime is 20826271. The next prime is 20826331. The reversal of 20826274 is 47262802.

It can be written as a sum of positive squares in only one way, i.e., 20766249 + 60025 = 4557^2 + 245^2 .

It is not an unprimeable number, because it can be changed into a prime (20826271) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2634 + ... + 6970.

Almost surely, 2^20826274 is an apocalyptic number.

20826274 is a deficient number, since it is larger than the sum of its proper divisors (15625940).

20826274 is an frugal number, since it uses more digits than its factorization.

20826274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367 (or 4346 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 20826274 is about 4563.5812691350. The cubic root of 20826274 is about 275.1295213567.

The spelling of 20826274 in words is "twenty million, eight hundred twenty-six thousand, two hundred seventy-four".