20020310310312 has 128 divisors (see below), whose sum is σ = 63041912976000. Its totient is φ = 5835879912960.

The previous prime is 20020310310223. The next prime is 20020310310361. The reversal of 20020310310312 is 21301301302002.

20020310310312 is a `hidden beast` number, since 20 + 0 + 20 + 3 + 1 + 0 + 310 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187571389 + ... + 187678092.

It is an arithmetic number, because the mean of its divisors is an integer number (492514945125).

Almost surely, 2^{20020310310312} is an apocalyptic number.

It is an amenable number.

20020310310312 is an abundant number, since it is smaller than the sum of its proper divisors (43021602665688).

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

20020310310312 is a wasteful number, since it uses less digits than its factorization.

20020310310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375249528 (or 375249518 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20020310310312 its reverse (21301301302002), we get a palindrome (41321611612314).

The spelling of 20020310310312 in words is "twenty trillion, twenty billion, three hundred ten million, three hundred ten thousand, three hundred twelve".