20326696 has 32 divisors (see below), whose sum is σ = 43462440. Its totient is φ = 8828928.

The previous prime is 20326681. The next prime is 20326699. The reversal of 20326696 is 69662302.

20326696 = T₃₃₄ + T₃₃₅ + ... + T₅₄₁.

It can be written as a sum of positive squares in 4 ways, for example, as 17388900 + 2937796 = 4170^2 + 1714^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (20326699) 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, 3981 + ... + 7516.

Almost surely, 2^20326696 is an apocalyptic number.

20326696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20326696 is an abundant number, since it is smaller than the sum of its proper divisors (23135744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20326696 is a wasteful number, since it uses less digits than its factorization.

20326696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11533 (or 11529 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 20326696 is about 4508.5137240559. The cubic root of 20326696 is about 272.9117686850.

Adding to 20326696 its reverse (69662302), we get a palindrome (89988998).

The spelling of 20326696 in words is "twenty million, three hundred twenty-six thousand, six hundred ninety-six".