310020420 has 48 divisors (see below), whose sum is σ = 872883648. Its totient is φ = 82212480.

The previous prime is 310020419. The next prime is 310020433. The reversal of 310020420 is 24020013.

It is a super-2 number, since 2×310020420² = 192225321633952800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 310020396 and 310020405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3414 + ... + 25133.

It is an arithmetic number, because the mean of its divisors is an integer number (18185076).

Almost surely, 2^310020420 is an apocalyptic number.

310020420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

310020420 is an abundant number, since it is smaller than the sum of its proper divisors (562863228).

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

310020420 is a wasteful number, since it uses less digits than its factorization.

310020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28740 (or 28738 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 310020420 is about 17607.3967411426. The cubic root of 310020420 is about 676.8048051540.

Adding to 310020420 its reverse (24020013), we get a palindrome (334040433).

The spelling of 310020420 in words is "three hundred ten million, twenty thousand, four hundred twenty".