7636216220 has 12 divisors (see below), whose sum is σ = 16036054104. Its totient is φ = 3054486480.

The previous prime is 7636216207. The next prime is 7636216271. The reversal of 7636216220 is 226126367.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190905386 + ... + 190905425.

It is an arithmetic number, because the mean of its divisors is an integer number (1336337842).

Almost surely, 2^7636216220 is an apocalyptic number.

It is an amenable number.

7636216220 is an abundant number, since it is smaller than the sum of its proper divisors (8399837884).

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

7636216220 is a wasteful number, since it uses less digits than its factorization.

7636216220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381810820 (or 381810818 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 7636216220 is about 87385.4462711040. The cubic root of 7636216220 is about 1969.2132032868.

The spelling of 7636216220 in words is "seven billion, six hundred thirty-six million, two hundred sixteen thousand, two hundred twenty".