20462 has 8 divisors (see below), whose sum is σ = 33096. Its totient is φ = 9432.

The previous prime is 20443. The next prime is 20477. The reversal of 20462 is 26402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 368 + ... + 419.

It is an arithmetic number, because the mean of its divisors is an integer number (4137).

2²⁰⁴⁶² is an apocalyptic number.

20462 is a deficient number, since it is larger than the sum of its proper divisors (12634).

20462 is a wasteful number, since it uses less digits than its factorization.

20462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20462 is about 143.0454473236. The cubic root of 20462 is about 27.3515972851.

Adding to 20462 its reverse (26402), we get a palindrome (46864).

It can be divided in two parts, 2046 and 2, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 20462 in words is "twenty thousand, four hundred sixty-two".