3520221200534 has 8 divisors (see below), whose sum is σ = 5280359161368. Its totient is φ = 1760101480080.

The previous prime is 3520221200527. The next prime is 3520221200591. The reversal of 3520221200534 is 4350021220253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3520221200497 and 3520221200506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4066952 + ... + 4855979.

It is an arithmetic number, because the mean of its divisors is an integer number (660044895171).

Almost surely, 2^{3520221200534} is an apocalyptic number.

3520221200534 is a deficient number, since it is larger than the sum of its proper divisors (1760137960834).

3520221200534 is a wasteful number, since it uses less digits than its factorization.

3520221200534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120190.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 3520221200534 its reverse (4350021220253), we get a palindrome (7870242420787).

The spelling of 3520221200534 in words is "three trillion, five hundred twenty billion, two hundred twenty-one million, two hundred thousand, five hundred thirty-four".