20456034 has 8 divisors (see below), whose sum is σ = 40912080. Its totient is φ = 6818676.

The previous prime is 20455979. The next prime is 20456041. The reversal of 20456034 is 43065402.

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

20456034 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20455995 and 20456013.

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, 1704664 + ... + 1704675.

It is an arithmetic number, because the mean of its divisors is an integer number (5114010).

Almost surely, 2^20456034 is an apocalyptic number.

20456034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20456034 is a wasteful number, since it uses less digits than its factorization.

20456034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409344.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 20456034 is about 4522.8347305644. The cubic root of 20456034 is about 273.4893877194.

The spelling of 20456034 in words is "twenty million, four hundred fifty-six thousand, thirty-four".