1502420420 has 48 divisors (see below), whose sum is σ = 3218476800. Its totient is φ = 589006080.

The previous prime is 1502420411. The next prime is 1502420443. The reversal of 1502420420 is 240242051.

It is a happy number.

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 = 1502420392 and 1502420401.

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, 216200 + ... + 223040.

It is an arithmetic number, because the mean of its divisors is an integer number (67051600).

Almost surely, 2^1502420420 is an apocalyptic number.

1502420420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1502420420 is an abundant number, since it is smaller than the sum of its proper divisors (1716056380).

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

1502420420 is a wasteful number, since it uses less digits than its factorization.

1502420420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068 (or 7066 counting only the distinct ones).

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

The square root of 1502420420 is about 38761.0683547293. The cubic root of 1502420420 is about 1145.3296203995.

Adding to 1502420420 its reverse (240242051), we get a palindrome (1742662471).

The spelling of 1502420420 in words is "one billion, five hundred two million, four hundred twenty thousand, four hundred twenty".