20152046 has 16 divisors (see below), whose sum is σ = 32847360. Its totient is φ = 9237240.

The previous prime is 20152039. The next prime is 20152051. The reversal of 20152046 is 64025102.

It is a happy number.

It is a super-2 number, since 2×20152046² = 812209915972232, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7376 + ... + 9731.

It is an arithmetic number, because the mean of its divisors is an integer number (2052960).

Almost surely, 2^20152046 is an apocalyptic number.

20152046 is a deficient number, since it is larger than the sum of its proper divisors (12695314).

20152046 is a wasteful number, since it uses less digits than its factorization.

20152046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17159.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20152046 is about 4489.1030284457. The cubic root of 20152046 is about 272.1278864452.

Adding to 20152046 its reverse (64025102), we get a palindrome (84177148).

The spelling of 20152046 in words is "twenty million, one hundred fifty-two thousand, forty-six".