1420020312 has 32 divisors (see below), whose sum is σ = 3556870080. Its totient is φ = 472430880.

The previous prime is 1420020289. The next prime is 1420020313. The reversal of 1420020312 is 2130200241.

It is a junction number, because it is equal to n+sod(n) for n = 1420020291 and 1420020300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420020313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44014 + ... + 69117.

It is an arithmetic number, because the mean of its divisors is an integer number (111152190).

Almost surely, 2^1420020312 is an apocalyptic number.

1420020312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1420020312 is an abundant number, since it is smaller than the sum of its proper divisors (2136849768).

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

1420020312 is a wasteful number, since it uses less digits than its factorization.

1420020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113663 (or 113659 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1420020312 is about 37683.1568741261. The cubic root of 1420020312 is about 1123.9962238615.

Adding to 1420020312 its reverse (2130200241), we get a palindrome (3550220553).

The spelling of 1420020312 in words is "one billion, four hundred twenty million, twenty thousand, three hundred twelve".