20461326 has 32 divisors (see below), whose sum is σ = 41827968. Its totient is φ = 6671520.

The previous prime is 20461321. The next prime is 20461349. The reversal of 20461326 is 62316402.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20461296 and 20461305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20461321) 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, 90025 + ... + 90251.

It is an arithmetic number, because the mean of its divisors is an integer number (1307124).

Almost surely, 2^20461326 is an apocalyptic number.

20461326 is an abundant number, since it is smaller than the sum of its proper divisors (21366642).

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

20461326 is a wasteful number, since it uses less digits than its factorization.

20461326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20461326 is about 4523.4197240583. The cubic root of 20461326 is about 273.5129696944.

Adding to 20461326 its reverse (62316402), we get a palindrome (82777728).

The spelling of 20461326 in words is "twenty million, four hundred sixty-one thousand, three hundred twenty-six".