20455034 has 16 divisors (see below), whose sum is σ = 32031720. Its totient is φ = 9784320.

The previous prime is 20455013. The next prime is 20455051. The reversal of 20455034 is 43055402.

It can be written as a sum of positive squares in 4 ways, for example, as 4431025 + 16024009 = 2105^2 + 4003^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4994 + ... + 8114.

Almost surely, 2^20455034 is an apocalyptic number.

20455034 is a deficient number, since it is larger than the sum of its proper divisors (11576686).

20455034 is a wasteful number, since it uses less digits than its factorization.

20455034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 20455034 is about 4522.7241790761. The cubic root of 20455034 is about 273.4849311070.

The spelling of 20455034 in words is "twenty million, four hundred fifty-five thousand, thirty-four".