20476046 has 4 divisors (see below), whose sum is σ = 30714072. Its totient is φ = 10238022.

The previous prime is 20476019. The next prime is 20476051. The reversal of 20476046 is 64067402.

20476046 is nontrivially palindromic in base 7.

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

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 as a sum of consecutive naturals, namely, 5119010 + ... + 5119013.

It is an arithmetic number, because the mean of its divisors is an integer number (7678518).

Almost surely, 2^20476046 is an apocalyptic number.

20476046 is a deficient number, since it is larger than the sum of its proper divisors (10238026).

20476046 is a wasteful number, since it uses less digits than its factorization.

20476046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10238025.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 20476046 is about 4525.0465190979. The cubic root of 20476046 is about 273.5785429264.

The spelling of 20476046 in words is "twenty million, four hundred seventy-six thousand, forty-six".