5638222020 has 24 divisors (see below), whose sum is σ = 15787021824. Its totient is φ = 1503525856.

The previous prime is 5638222019. The next prime is 5638222027. The reversal of 5638222020 is 202228365.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (5638222027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46985124 + ... + 46985243.

It is an arithmetic number, because the mean of its divisors is an integer number (657792576).

Almost surely, 2^5638222020 is an apocalyptic number.

It is an amenable number.

5638222020 is an abundant number, since it is smaller than the sum of its proper divisors (10148799804).

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

5638222020 is a wasteful number, since it uses less digits than its factorization.

5638222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93970379 (or 93970377 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 5638222020 is about 75088.0950617340. The cubic root of 5638222020 is about 1779.8390230217.

The spelling of 5638222020 in words is "five billion, six hundred thirty-eight million, two hundred twenty-two thousand, twenty".