20460496 has 80 divisors (see below), whose sum is σ = 47996928. Its totient is φ = 8265600.

The previous prime is 20460467. The next prime is 20460523. The reversal of 20460496 is 69406402.

20460496 = T₁ + T₂ + ... + T₄₉₆.

20460496 is nontrivially palindromic in base 3.

20460496 is a nontrivial binomial coefficient, being equal to C(498, 3).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is the 496-th tetrahedral number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246471 + ... + 246553.

Almost surely, 2^20460496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20460496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23998464).

20460496 is an abundant number, since it is smaller than the sum of its proper divisors (27536432).

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

20460496 is a wasteful number, since it uses less digits than its factorization.

20460496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 20460496 is about 4523.3279783805. The cubic root of 20460496 is about 273.5092713542.

Adding to 20460496 its reverse (69406402), we get a palindrome (89866898).

The spelling of 20460496 in words is "twenty million, four hundred sixty thousand, four hundred ninety-six".