312192020 has 24 divisors (see below), whose sum is σ = 749261184. Its totient is φ = 107037216.

The previous prime is 312192011. The next prime is 312192053. The reversal of 312192020 is 20291213.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 312191983 and 312192001.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1114832 + ... + 1115111.

It is an arithmetic number, because the mean of its divisors is an integer number (31219216).

Almost surely, 2^312192020 is an apocalyptic number.

It is an amenable number.

312192020 is an abundant number, since it is smaller than the sum of its proper divisors (437069164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312192020 is a wasteful number, since it uses less digits than its factorization.

312192020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229959 (or 2229957 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 312192020 is about 17668.9563924981. The cubic root of 312192020 is about 678.3814011835.

The spelling of 312192020 in words is "three hundred twelve million, one hundred ninety-two thousand, twenty".