1202004420 has 48 divisors (see below), whose sum is σ = 3378751488. Its totient is φ = 319283200.

The previous prime is 1202004409. The next prime is 1202004457. The reversal of 1202004420 is 244002021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1202004420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23556 + ... + 54395.

It is an arithmetic number, because the mean of its divisors is an integer number (70390656).

Almost surely, 2^1202004420 is an apocalyptic number.

1202004420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202004420 is an abundant number, since it is smaller than the sum of its proper divisors (2176747068).

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

1202004420 is a wasteful number, since it uses less digits than its factorization.

1202004420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78220 (or 78218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1202004420 is about 34669.9353907676. The cubic root of 1202004420 is about 1063.2499106360.

Adding to 1202004420 its reverse (244002021), we get a palindrome (1446006441).

The spelling of 1202004420 in words is "one billion, two hundred two million, four thousand, four hundred twenty".