1420003212320 has 192 divisors, whose sum is σ = 4261473006336. Its totient is φ = 434247290880.

The previous prime is 1420003212307. The next prime is 1420003212391. The reversal of 1420003212320 is 232123000241.

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 = 1420003212292 and 1420003212301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434399 + ... + 1740318.

It is an arithmetic number, because the mean of its divisors is an integer number (22195171908).

Almost surely, 2^{1420003212320} is an apocalyptic number.

1420003212320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420003212320 is an abundant number, since it is smaller than the sum of its proper divisors (2841469794016).

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

1420003212320 is a wasteful number, since it uses less digits than its factorization.

1420003212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174803 (or 2174795 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1420003212320 its reverse (232123000241), we get a palindrome (1652126212561).

The spelling of 1420003212320 in words is "one trillion, four hundred twenty billion, three million, two hundred twelve thousand, three hundred twenty".