20826463214404 has 27 divisors (see below), whose sum is σ = 36533553316407. Its totient is φ = 10388364539904.

The previous prime is 20826463214393. The next prime is 20826463214407. The reversal of 20826463214404 is 40441236462802.

The square root of 20826463214404 is 4563602.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1319047656004 + 19507415558400 = 1148498^2 + 4416720^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20826463214407) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4171129732 + ... + 4171134724.

Almost surely, 2^{20826463214404} is an apocalyptic number.

20826463214404 is the 4563602-nd square number.

It is an amenable number.

20826463214404 is a deficient number, since it is larger than the sum of its proper divisors (15707090102003).

20826463214404 is an frugal number, since it uses more digits than its factorization.

20826463214404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10904 (or 5452 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 46.

The spelling of 20826463214404 in words is "twenty trillion, eight hundred twenty-six billion, four hundred sixty-three million, two hundred fourteen thousand, four hundred four".