3520120221367 has 4 divisors (see below), whose sum is σ = 3520124173800. Its totient is φ = 3520116268936.

The previous prime is 3520120221347. The next prime is 3520120221379. The reversal of 3520120221367 is 7631220210253.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3520120221367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520120221347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57009 + ... + 2653957.

It is an arithmetic number, because the mean of its divisors is an integer number (880031043450).

Almost surely, 2^{3520120221367} is an apocalyptic number.

3520120221367 is a deficient number, since it is larger than the sum of its proper divisors (3952433).

3520120221367 is a wasteful number, since it uses less digits than its factorization.

3520120221367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952432.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 3520120221367 in words is "three trillion, five hundred twenty billion, one hundred twenty million, two hundred twenty-one thousand, three hundred sixty-seven".