20032312 has 16 divisors (see below), whose sum is σ = 37653840. Its totient is φ = 9991296.

The previous prime is 20032283. The next prime is 20032321. The reversal of 20032312 is 21323002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20032292 and 20032301.

It is a congruent number.

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, 573 + ... + 6355.

It is an arithmetic number, because the mean of its divisors is an integer number (2353365).

Almost surely, 2^20032312 is an apocalyptic number.

It is an amenable number.

20032312 is a deficient number, since it is larger than the sum of its proper divisors (17621528).

20032312 is a wasteful number, since it uses less digits than its factorization.

20032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222 (or 6218 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20032312 is about 4475.7470884758. The cubic root of 20032312 is about 271.5878634437.

Adding to 20032312 its reverse (21323002), we get a palindrome (41355314).

The spelling of 20032312 in words is "twenty million, thirty-two thousand, three hundred twelve".