20316332 has 6 divisors (see below), whose sum is σ = 35553588. Its totient is φ = 10158164.

The previous prime is 20316323. The next prime is 20316341. The reversal of 20316332 is 23361302.

It is an interprime number because it is at equal distance from previous prime (20316323) and next prime (20316341).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539538 + ... + 2539545.

It is an arithmetic number, because the mean of its divisors is an integer number (5925598).

Almost surely, 2^20316332 is an apocalyptic number.

It is an amenable number.

20316332 is a deficient number, since it is larger than the sum of its proper divisors (15237256).

20316332 is a wasteful number, since it uses less digits than its factorization.

20316332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079087 (or 5079085 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 20316332 is about 4507.3641965122. The cubic root of 20316332 is about 272.8653775019.

Adding to 20316332 its reverse (23361302), we get a palindrome (43677634).

The spelling of 20316332 in words is "twenty million, three hundred sixteen thousand, three hundred thirty-two".