1420202112 has 128 divisors (see below), whose sum is σ = 4341120000. Its totient is φ = 402969600.

The previous prime is 1420202089. The next prime is 1420202141. The reversal of 1420202112 is 2112020241.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1420202091 and 1420202100.

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, 404139 + ... + 407637.

It is an arithmetic number, because the mean of its divisors is an integer number (33915000).

Almost surely, 2^1420202112 is an apocalyptic number.

1420202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170560000).

1420202112 is an abundant number, since it is smaller than the sum of its proper divisors (2920917888).

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

1420202112 is a wasteful number, since it uses less digits than its factorization.

1420202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674 (or 3662 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1420202112 is about 37685.5690152079. The cubic root of 1420202112 is about 1124.0441888547.

Adding to 1420202112 its reverse (2112020241), we get a palindrome (3532222353).

The spelling of 1420202112 in words is "one billion, four hundred twenty million, two hundred two thousand, one hundred twelve".