1420002324 has 72 divisors (see below), whose sum is σ = 3931156320. Its totient is φ = 429509952.

The previous prime is 1420002319. The next prime is 1420002349. The reversal of 1420002324 is 4232000241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1420002297 and 1420002306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1899 + ... + 53325.

Almost surely, 2^1420002324 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 1420002324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1965578160).

1420002324 is an abundant number, since it is smaller than the sum of its proper divisors (2511153996).

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

1420002324 is a wasteful number, since it uses less digits than its factorization.

1420002324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51509 (or 51504 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1420002324 is about 37682.9181990992. The cubic root of 1420002324 is about 1123.9914777958.

Adding to 1420002324 its reverse (4232000241), we get a palindrome (5652002565).

The spelling of 1420002324 in words is "one billion, four hundred twenty million, two thousand, three hundred twenty-four".