1420202504 has 64 divisors (see below), whose sum is σ = 3158016000. Its totient is φ = 585921600.

The previous prime is 1420202503. The next prime is 1420202507. The reversal of 1420202504 is 4052020241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1420202501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 343409 + ... + 347519.

It is an arithmetic number, because the mean of its divisors is an integer number (49344000).

Almost surely, 2^1420202504 is an apocalyptic number.

1420202504 is a gapful number since it is divisible by the number (14) 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 1420202504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579008000).

1420202504 is an abundant number, since it is smaller than the sum of its proper divisors (1737813496).

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

1420202504 is a wasteful number, since it uses less digits than its factorization.

1420202504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354 (or 4350 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1420202504 is about 37685.5742161374. The cubic root of 1420202504 is about 1124.0442922732.

Adding to 1420202504 its reverse (4052020241), we get a palindrome (5472222745).

The spelling of 1420202504 in words is "one billion, four hundred twenty million, two hundred two thousand, five hundred four".