8236220013 has 12 divisors (see below), whose sum is σ = 13596299808. Its totient is φ = 4706411400.

The previous prime is 8236220009. The next prime is 8236220021. The reversal of 8236220013 is 3100226328.

8236220013 is a `hidden beast` number, since 8 + 23 + 622 + 0 + 0 + 13 = 666.

It is not a de Polignac number, because 8236220013 - 2² = 8236220009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8236220063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65366763 + ... + 65366888.

It is an arithmetic number, because the mean of its divisors is an integer number (1133024984).

Almost surely, 2^8236220013 is an apocalyptic number.

It is an amenable number.

8236220013 is a deficient number, since it is larger than the sum of its proper divisors (5360079795).

8236220013 is a wasteful number, since it uses less digits than its factorization.

8236220013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130733664 (or 130733661 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 8236220013 is about 90753.6225888532. The cubic root of 8236220013 is about 2019.4943685105.

The spelling of 8236220013 in words is "eight billion, two hundred thirty-six million, two hundred twenty thousand, thirteen".