20332046 has 32 divisors (see below), whose sum is σ = 36661248. Its totient is φ = 8268480.

The previous prime is 20332043. The next prime is 20332079. The reversal of 20332046 is 64023302.

It is a super-2 number, since 2×20332046² = 826784189092232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 74891 + ... + 75161.

It is an arithmetic number, because the mean of its divisors is an integer number (1145664).

Almost surely, 2^20332046 is an apocalyptic number.

20332046 is a deficient number, since it is larger than the sum of its proper divisors (16329202).

20332046 is a wasteful number, since it uses less digits than its factorization.

20332046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 20332046 is about 4509.1070069361. The cubic root of 20332046 is about 272.9357101047.

Adding to 20332046 its reverse (64023302), we get a palindrome (84355348).

The spelling of 20332046 in words is "twenty million, three hundred thirty-two thousand, forty-six".