3500501420 has 24 divisors (see below), whose sum is σ = 7916519184. Its totient is φ = 1292492736.

The previous prime is 3500501419. The next prime is 3500501443. The reversal of 3500501420 is 241050053.

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 = 3500501392 and 3500501401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6731474 + ... + 6731993.

It is an arithmetic number, because the mean of its divisors is an integer number (329854966).

Almost surely, 2^3500501420 is an apocalyptic number.

It is an amenable number.

3500501420 is an abundant number, since it is smaller than the sum of its proper divisors (4416017764).

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

3500501420 is a wasteful number, since it uses less digits than its factorization.

3500501420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13463489 (or 13463487 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 3500501420 is about 59165.0354516922. The cubic root of 3500501420 is about 1518.3669875444.

Adding to 3500501420 its reverse (241050053), we get a palindrome (3741551473).

The spelling of 3500501420 in words is "three billion, five hundred million, five hundred one thousand, four hundred twenty".