505220702004 has 48 divisors (see below), whose sum is σ = 1309899976000. Its totient is φ = 168398090208.

The previous prime is 505220701981. The next prime is 505220702023. The reversal of 505220702004 is 400207022505.

505220702004 is a `hidden beast` number, since 50 + 522 + 0 + 70 + 20 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2145174 + ... + 2369010.

Almost surely, 2^505220702004 is an apocalyptic number.

505220702004 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

505220702004 is an abundant number, since it is smaller than the sum of its proper divisors (804679273996).

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

505220702004 is a wasteful number, since it uses less digits than its factorization.

505220702004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244749 (or 244741 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

Adding to 505220702004 its reverse (400207022505), we get a palindrome (905427724509).

The spelling of 505220702004 in words is "five hundred five billion, two hundred twenty million, seven hundred two thousand, four".