1420320323032 has 128 divisors (see below), whose sum is σ = 3096680025600. Its totient is φ = 604874188800.

The previous prime is 1420320323021. The next prime is 1420320323039. The reversal of 1420320323032 is 2303230230241.

It is a junction number, because it is equal to n+sod(n) for n = 1420320322988 and 1420320323006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420320323039) by changing a digit.

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, 22437907 + ... + 22501117.

It is an arithmetic number, because the mean of its divisors is an integer number (24192812700).

Almost surely, 2^{1420320323032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420320323032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548340012800).

1420320323032 is an abundant number, since it is smaller than the sum of its proper divisors (1676359702568).

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

1420320323032 is a wasteful number, since it uses less digits than its factorization.

1420320323032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63497 (or 63493 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 1420320323032 its reverse (2303230230241), we get a palindrome (3723550553273).

The spelling of 1420320323032 in words is "one trillion, four hundred twenty billion, three hundred twenty million, three hundred twenty-three thousand, thirty-two".