20546962 has 4 divisors (see below), whose sum is σ = 30820446. Its totient is φ = 10273480.

The previous prime is 20546959. The next prime is 20546963. The reversal of 20546962 is 26964502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16818201 + 3728761 = 4101^2 + 1931^2 .

It is not an unprimeable number, because it can be changed into a prime (20546963) by changing a digit.

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 as a sum of consecutive naturals, namely, 5136739 + ... + 5136742.

Almost surely, 2^20546962 is an apocalyptic number.

20546962 is a deficient number, since it is larger than the sum of its proper divisors (10273484).

20546962 is a wasteful number, since it uses less digits than its factorization.

20546962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10273483.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 20546962 is about 4532.8756876844. The cubic root of 20546962 is about 273.8940130333.

The spelling of 20546962 in words is "twenty million, five hundred forty-six thousand, nine hundred sixty-two".