20775326 has 32 divisors (see below), whose sum is σ = 38773728. Its totient is φ = 8202240.

The previous prime is 20775317. The next prime is 20775329. The reversal of 20775326 is 62357702.

It is a happy number.

It is a super-2 number, since 2×20775326² = 863228340812552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20775292 and 20775301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20775329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2726 + ... + 6998.

It is an arithmetic number, because the mean of its divisors is an integer number (1211679).

Almost surely, 2^20775326 is an apocalyptic number.

20775326 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20775326 is a deficient number, since it is larger than the sum of its proper divisors (17998402).

20775326 is a wasteful number, since it uses less digits than its factorization.

20775326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4316.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 20775326 is about 4557.9958315031. The cubic root of 20775326 is about 274.9049853573.

The spelling of 20775326 in words is "twenty million, seven hundred seventy-five thousand, three hundred twenty-six".