662020312 has 16 divisors (see below), whose sum is σ = 1261638000. Its totient is φ = 325583520.

The previous prime is 662020309. The next prime is 662020319. The reversal of 662020312 is 213020266.

It is a happy number.

662020312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662020319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677812 + ... + 678787.

It is an arithmetic number, because the mean of its divisors is an integer number (78852375).

Almost surely, 2^662020312 is an apocalyptic number.

It is an amenable number.

662020312 is a deficient number, since it is larger than the sum of its proper divisors (599617688).

662020312 is a wasteful number, since it uses less digits than its factorization.

662020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356666 (or 1356662 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 662020312 is about 25729.7553816588. The cubic root of 662020312 is about 871.5462492135.

Adding to 662020312 its reverse (213020266), we get a palindrome (875040578).

The spelling of 662020312 in words is "six hundred sixty-two million, twenty thousand, three hundred twelve".