20455562 has 8 divisors (see below), whose sum is σ = 31262436. Its totient is φ = 10034752.

The previous prime is 20455559. The next prime is 20455601. The reversal of 20455562 is 26555402.

It can be written as a sum of positive squares in 2 ways, for example, as 16248961 + 4206601 = 4031^2 + 2051^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96383 + ... + 96594.

Almost surely, 2^20455562 is an apocalyptic number.

20455562 is a deficient number, since it is larger than the sum of its proper divisors (10806874).

20455562 is a wasteful number, since it uses less digits than its factorization.

20455562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193032.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 20455562 is about 4522.7825505987. The cubic root of 20455562 is about 273.4872842164.

The spelling of 20455562 in words is "twenty million, four hundred fifty-five thousand, five hundred sixty-two".